89907900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^3\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 280919520

約数和(自身を除く): 191011620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 61, 68, 75, 85, 100, 102, 122, 150, 170, 183, 204, 244, 255, 289, 300, 305, 340, 366, 425, 510, 578, 610, 732, 850, 867, 915, 1020, 1037, 1156, 1220, 1275, 1445, 1525, 1700, 1734, 1830, 2074, 2550, 2890, 3050, 3111, 3468, 3660, 4148, 4335, 4575, 4913, 5100, 5185, 5780, 6100, 6222, 7225, 8670, 9150, 9826, 10370, 12444, 14450, 14739, 15555, 17340, 17629, 18300, 19652, 20740, 21675, 24565, 25925, 28900, 29478, 31110, 35258, 43350, 49130, 51850, 52887, 58956, 62220, 70516, 73695, 77775, 86700, 88145, 98260, 103700, 105774, 122825, 147390, 155550, 176290, 211548, 245650, 264435, 294780, 299693, 311100, 352580, 368475, 440725, 491300, 528870, 599386, 736950, 881450, 899079, 1057740, 1198772, 1322175, 1473900, 1498465, 1762900, 1798158, 2644350, 2996930, 3596316, 4495395, 5288700, 5993860, 7492325, 8990790, 14984650, 17981580, 22476975, 29969300, 44953950, 89907900]

約数ペア:

[(1, 89907900), (2, 44953950), (3, 29969300), (4, 22476975), (5, 17981580), (6, 14984650), (10, 8990790), (12, 7492325), (15, 5993860), (17, 5288700), (20, 4495395), (25, 3596316), (30, 2996930), (34, 2644350), (50, 1798158), (51, 1762900), (60, 1498465), (61, 1473900), (68, 1322175), (75, 1198772), (85, 1057740), (100, 899079), (102, 881450), (122, 736950), (150, 599386), (170, 528870), (183, 491300), (204, 440725), (244, 368475), (255, 352580), (289, 311100), (300, 299693), (305, 294780), (340, 264435), (366, 245650), (425, 211548), (510, 176290), (578, 155550), (610, 147390), (732, 122825), (850, 105774), (867, 103700), (915, 98260), (1020, 88145), (1037, 86700), (1156, 77775), (1220, 73695), (1275, 70516), (1445, 62220), (1525, 58956), (1700, 52887), (1734, 51850), (1830, 49130), (2074, 43350), (2550, 35258), (2890, 31110), (3050, 29478), (3111, 28900), (3468, 25925), (3660, 24565), (4148, 21675), (4335, 20740), (4575, 19652), (4913, 18300), (5100, 17629), (5185, 17340), (5780, 15555), (6100, 14739), (6222, 14450), (7225, 12444), (8670, 10370), (9150, 9826)]