279349500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:197

約数の個数: 192

約数和(自身を含む): 857945088

約数和(自身を除く): 578595588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 61, 71, 75, 86, 100, 122, 125, 129, 142, 150, 172, 183, 213, 215, 244, 250, 258, 284, 300, 305, 355, 366, 375, 426, 430, 500, 516, 610, 645, 710, 732, 750, 852, 860, 915, 1065, 1075, 1220, 1290, 1420, 1500, 1525, 1775, 1830, 2130, 2150, 2580, 2623, 3050, 3053, 3225, 3550, 3660, 4260, 4300, 4331, 4575, 5246, 5325, 5375, 6100, 6106, 6450, 7100, 7625, 7869, 8662, 8875, 9150, 9159, 10492, 10650, 10750, 12212, 12900, 12993, 13115, 15250, 15265, 15738, 16125, 17324, 17750, 18300, 18318, 21300, 21500, 21655, 22875, 25986, 26230, 26625, 30500, 30530, 31476, 32250, 35500, 36636, 39345, 43310, 45750, 45795, 51972, 52460, 53250, 61060, 64500, 64965, 65575, 76325, 78690, 86620, 91500, 91590, 106500, 108275, 129930, 131150, 152650, 157380, 183180, 186233, 196725, 216550, 228975, 259860, 262300, 305300, 324825, 327875, 372466, 381625, 393450, 433100, 457950, 541375, 558699, 649650, 655750, 744932, 763250, 786900, 915900, 931165, 983625, 1082750, 1117398, 1144875, 1299300, 1311500, 1526500, 1624125, 1862330, 1967250, 2165500, 2234796, 2289750, 2793495, 3248250, 3724660, 3934500, 4579500, 4655825, 5586990, 6496500, 9311650, 11173980, 13967475, 18623300, 23279125, 27934950, 46558250, 55869900, 69837375, 93116500, 139674750, 279349500]

約数ペア:

[(1, 279349500), (2, 139674750), (3, 93116500), (4, 69837375), (5, 55869900), (6, 46558250), (10, 27934950), (12, 23279125), (15, 18623300), (20, 13967475), (25, 11173980), (30, 9311650), (43, 6496500), (50, 5586990), (60, 4655825), (61, 4579500), (71, 3934500), (75, 3724660), (86, 3248250), (100, 2793495), (122, 2289750), (125, 2234796), (129, 2165500), (142, 1967250), (150, 1862330), (172, 1624125), (183, 1526500), (213, 1311500), (215, 1299300), (244, 1144875), (250, 1117398), (258, 1082750), (284, 983625), (300, 931165), (305, 915900), (355, 786900), (366, 763250), (375, 744932), (426, 655750), (430, 649650), (500, 558699), (516, 541375), (610, 457950), (645, 433100), (710, 393450), (732, 381625), (750, 372466), (852, 327875), (860, 324825), (915, 305300), (1065, 262300), (1075, 259860), (1220, 228975), (1290, 216550), (1420, 196725), (1500, 186233), (1525, 183180), (1775, 157380), (1830, 152650), (2130, 131150), (2150, 129930), (2580, 108275), (2623, 106500), (3050, 91590), (3053, 91500), (3225, 86620), (3550, 78690), (3660, 76325), (4260, 65575), (4300, 64965), (4331, 64500), (4575, 61060), (5246, 53250), (5325, 52460), (5375, 51972), (6100, 45795), (6106, 45750), (6450, 43310), (7100, 39345), (7625, 36636), (7869, 35500), (8662, 32250), (8875, 31476), (9150, 30530), (9159, 30500), (10492, 26625), (10650, 26230), (10750, 25986), (12212, 22875), (12900, 21655), (12993, 21500), (13115, 21300), (15250, 18318), (15265, 18300), (15738, 17750), (16125, 17324)]