89857840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1907}}^1$

素因数の和:1970

約数の個数: 80

約数和(自身を含む): 227128320

約数和(自身を除く): 137270480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 1907, 2356, 2480, 2945, 3814, 4712, 5890, 7628, 9424, 9535, 11780, 15256, 19070, 23560, 30512, 36233, 38140, 47120, 59117, 72466, 76280, 118234, 144932, 152560, 181165, 236468, 289864, 295585, 362330, 472936, 579728, 591170, 724660, 945872, 1123223, 1182340, 1449320, 2246446, 2364680, 2898640, 4492892, 4729360, 5616115, 8985784, 11232230, 17971568, 22464460, 44928920, 89857840]

約数ペア:

[(1, 89857840), (2, 44928920), (4, 22464460), (5, 17971568), (8, 11232230), (10, 8985784), (16, 5616115), (19, 4729360), (20, 4492892), (31, 2898640), (38, 2364680), (40, 2246446), (62, 1449320), (76, 1182340), (80, 1123223), (95, 945872), (124, 724660), (152, 591170), (155, 579728), (190, 472936), (248, 362330), (304, 295585), (310, 289864), (380, 236468), (496, 181165), (589, 152560), (620, 144932), (760, 118234), (1178, 76280), (1240, 72466), (1520, 59117), (1907, 47120), (2356, 38140), (2480, 36233), (2945, 30512), (3814, 23560), (4712, 19070), (5890, 15256), (7628, 11780), (9424, 9535)]