257099700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{461}}^1$

素因数の和:515

約数の個数: 216

約数和(自身を含む): 880631136

約数和(自身を除く): 623531436

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 25, 26, 30, 33, 39, 44, 50, 52, 55, 60, 65, 66, 75, 78, 100, 110, 130, 132, 143, 150, 156, 165, 169, 195, 220, 260, 275, 286, 300, 325, 330, 338, 390, 429, 461, 507, 550, 572, 650, 660, 676, 715, 780, 825, 845, 858, 922, 975, 1014, 1100, 1300, 1383, 1430, 1650, 1690, 1716, 1844, 1859, 1950, 2028, 2145, 2305, 2535, 2766, 2860, 3300, 3380, 3575, 3718, 3900, 4225, 4290, 4610, 5070, 5071, 5532, 5577, 5993, 6915, 7150, 7436, 8450, 8580, 9220, 9295, 10140, 10142, 10725, 11154, 11525, 11986, 12675, 13830, 14300, 15213, 16900, 17979, 18590, 20284, 21450, 22308, 23050, 23972, 25350, 25355, 27660, 27885, 29965, 30426, 34575, 35958, 37180, 42900, 46100, 46475, 50700, 50710, 55770, 59930, 60852, 65923, 69150, 71916, 76065, 77909, 89895, 92950, 101420, 111540, 119860, 126775, 131846, 138300, 139425, 149825, 152130, 155818, 179790, 185900, 197769, 233727, 253550, 263692, 278850, 299650, 304260, 311636, 329615, 359580, 380325, 389545, 395538, 449475, 467454, 507100, 557700, 599300, 659230, 760650, 779090, 791076, 856999, 898950, 934908, 988845, 1168635, 1318460, 1521300, 1558180, 1648075, 1713998, 1797900, 1947725, 1977690, 2337270, 2570997, 3296150, 3427996, 3895450, 3955380, 4284995, 4674540, 4944225, 5141994, 5843175, 6592300, 7790900, 8569990, 9888450, 10283988, 11686350, 12854985, 17139980, 19776900, 21424975, 23372700, 25709970, 42849950, 51419940, 64274925, 85699900, 128549850, 257099700]

約数ペア:

[(1, 257099700), (2, 128549850), (3, 85699900), (4, 64274925), (5, 51419940), (6, 42849950), (10, 25709970), (11, 23372700), (12, 21424975), (13, 19776900), (15, 17139980), (20, 12854985), (22, 11686350), (25, 10283988), (26, 9888450), (30, 8569990), (33, 7790900), (39, 6592300), (44, 5843175), (50, 5141994), (52, 4944225), (55, 4674540), (60, 4284995), (65, 3955380), (66, 3895450), (75, 3427996), (78, 3296150), (100, 2570997), (110, 2337270), (130, 1977690), (132, 1947725), (143, 1797900), (150, 1713998), (156, 1648075), (165, 1558180), (169, 1521300), (195, 1318460), (220, 1168635), (260, 988845), (275, 934908), (286, 898950), (300, 856999), (325, 791076), (330, 779090), (338, 760650), (390, 659230), (429, 599300), (461, 557700), (507, 507100), (550, 467454), (572, 449475), (650, 395538), (660, 389545), (676, 380325), (715, 359580), (780, 329615), (825, 311636), (845, 304260), (858, 299650), (922, 278850), (975, 263692), (1014, 253550), (1100, 233727), (1300, 197769), (1383, 185900), (1430, 179790), (1650, 155818), (1690, 152130), (1716, 149825), (1844, 139425), (1859, 138300), (1950, 131846), (2028, 126775), (2145, 119860), (2305, 111540), (2535, 101420), (2766, 92950), (2860, 89895), (3300, 77909), (3380, 76065), (3575, 71916), (3718, 69150), (3900, 65923), (4225, 60852), (4290, 59930), (4610, 55770), (5070, 50710), (5071, 50700), (5532, 46475), (5577, 46100), (5993, 42900), (6915, 37180), (7150, 35958), (7436, 34575), (8450, 30426), (8580, 29965), (9220, 27885), (9295, 27660), (10140, 25355), (10142, 25350), (10725, 23972), (11154, 23050), (11525, 22308), (11986, 21450), (12675, 20284), (13830, 18590), (14300, 17979), (15213, 16900)]