49780760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3853}}^1$

素因数の和:3900

約数の個数: 64

約数和(自身を含む): 124869600

約数和(自身を除く): 75088840

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 3853, 6460, 7706, 12920, 15412, 19265, 30824, 38530, 65501, 73207, 77060, 131002, 146414, 154120, 262004, 292828, 327505, 366035, 524008, 585656, 655010, 732070, 1244519, 1310020, 1464140, 2489038, 2620040, 2928280, 4978076, 6222595, 9956152, 12445190, 24890380, 49780760]

約数ペア:

[(1, 49780760), (2, 24890380), (4, 12445190), (5, 9956152), (8, 6222595), (10, 4978076), (17, 2928280), (19, 2620040), (20, 2489038), (34, 1464140), (38, 1310020), (40, 1244519), (68, 732070), (76, 655010), (85, 585656), (95, 524008), (136, 366035), (152, 327505), (170, 292828), (190, 262004), (323, 154120), (340, 146414), (380, 131002), (646, 77060), (680, 73207), (760, 65501), (1292, 38530), (1615, 30824), (2584, 19265), (3230, 15412), (3853, 12920), (6460, 7706)]