253669900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 637959168

約数和(自身を除く): 384289268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 43, 44, 50, 55, 62, 86, 100, 110, 124, 155, 172, 173, 215, 220, 275, 310, 341, 346, 430, 473, 550, 620, 682, 692, 775, 860, 865, 946, 1075, 1100, 1333, 1364, 1550, 1705, 1730, 1892, 1903, 2150, 2365, 2666, 3100, 3410, 3460, 3806, 4300, 4325, 4730, 5332, 5363, 6665, 6820, 7439, 7612, 8525, 8650, 9460, 9515, 10726, 11825, 13330, 14663, 14878, 17050, 17300, 19030, 21452, 23650, 26660, 26815, 29326, 29756, 33325, 34100, 37195, 38060, 47300, 47575, 53630, 58652, 58993, 66650, 73315, 74390, 81829, 95150, 107260, 117986, 133300, 134075, 146630, 148780, 163658, 185975, 190300, 230609, 235972, 268150, 293260, 294965, 327316, 366575, 371950, 409145, 461218, 536300, 589930, 733150, 743900, 818290, 922436, 1153045, 1179860, 1466300, 1474825, 1636580, 2045725, 2306090, 2536699, 2949650, 4091450, 4612180, 5073398, 5765225, 5899300, 8182900, 10146796, 11530450, 12683495, 23060900, 25366990, 50733980, 63417475, 126834950, 253669900]

約数ペア:

[(1, 253669900), (2, 126834950), (4, 63417475), (5, 50733980), (10, 25366990), (11, 23060900), (20, 12683495), (22, 11530450), (25, 10146796), (31, 8182900), (43, 5899300), (44, 5765225), (50, 5073398), (55, 4612180), (62, 4091450), (86, 2949650), (100, 2536699), (110, 2306090), (124, 2045725), (155, 1636580), (172, 1474825), (173, 1466300), (215, 1179860), (220, 1153045), (275, 922436), (310, 818290), (341, 743900), (346, 733150), (430, 589930), (473, 536300), (550, 461218), (620, 409145), (682, 371950), (692, 366575), (775, 327316), (860, 294965), (865, 293260), (946, 268150), (1075, 235972), (1100, 230609), (1333, 190300), (1364, 185975), (1550, 163658), (1705, 148780), (1730, 146630), (1892, 134075), (1903, 133300), (2150, 117986), (2365, 107260), (2666, 95150), (3100, 81829), (3410, 74390), (3460, 73315), (3806, 66650), (4300, 58993), (4325, 58652), (4730, 53630), (5332, 47575), (5363, 47300), (6665, 38060), (6820, 37195), (7439, 34100), (7612, 33325), (8525, 29756), (8650, 29326), (9460, 26815), (9515, 26660), (10726, 23650), (11825, 21452), (13330, 19030), (14663, 17300), (14878, 17050)]