129220400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:679

約数の個数: 120

約数和(自身を含む): 339871104

約数和(自身を除く): 210650704

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 34, 40, 50, 62, 68, 80, 85, 100, 124, 136, 155, 170, 200, 248, 272, 310, 340, 400, 425, 496, 527, 613, 620, 680, 775, 850, 1054, 1226, 1240, 1360, 1550, 1700, 2108, 2452, 2480, 2635, 3065, 3100, 3400, 4216, 4904, 5270, 6130, 6200, 6800, 8432, 9808, 10421, 10540, 12260, 12400, 13175, 15325, 19003, 20842, 21080, 24520, 26350, 30650, 38006, 41684, 42160, 49040, 52105, 52700, 61300, 76012, 83368, 95015, 104210, 105400, 122600, 152024, 166736, 190030, 208420, 210800, 245200, 260525, 304048, 323051, 380060, 416840, 475075, 521050, 646102, 760120, 833680, 950150, 1042100, 1292204, 1520240, 1615255, 1900300, 2084200, 2584408, 3230510, 3800600, 4168400, 5168816, 6461020, 7601200, 8076275, 12922040, 16152550, 25844080, 32305100, 64610200, 129220400]

約数ペア:

[(1, 129220400), (2, 64610200), (4, 32305100), (5, 25844080), (8, 16152550), (10, 12922040), (16, 8076275), (17, 7601200), (20, 6461020), (25, 5168816), (31, 4168400), (34, 3800600), (40, 3230510), (50, 2584408), (62, 2084200), (68, 1900300), (80, 1615255), (85, 1520240), (100, 1292204), (124, 1042100), (136, 950150), (155, 833680), (170, 760120), (200, 646102), (248, 521050), (272, 475075), (310, 416840), (340, 380060), (400, 323051), (425, 304048), (496, 260525), (527, 245200), (613, 210800), (620, 208420), (680, 190030), (775, 166736), (850, 152024), (1054, 122600), (1226, 105400), (1240, 104210), (1360, 95015), (1550, 83368), (1700, 76012), (2108, 61300), (2452, 52700), (2480, 52105), (2635, 49040), (3065, 42160), (3100, 41684), (3400, 38006), (4216, 30650), (4904, 26350), (5270, 24520), (6130, 21080), (6200, 20842), (6800, 19003), (8432, 15325), (9808, 13175), (10421, 12400), (10540, 12260)]