89895940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 206841600

約数和(自身を除く): 116945660

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 59, 71, 74, 116, 118, 142, 145, 148, 185, 236, 284, 290, 295, 355, 370, 580, 590, 710, 740, 1073, 1180, 1420, 1711, 2059, 2146, 2183, 2627, 3422, 4118, 4189, 4292, 4366, 5254, 5365, 6844, 8236, 8378, 8555, 8732, 10295, 10508, 10730, 10915, 13135, 16756, 17110, 20590, 20945, 21460, 21830, 26270, 34220, 41180, 41890, 43660, 52540, 63307, 76183, 83780, 121481, 126614, 152366, 154993, 242962, 253228, 304732, 309986, 316535, 380915, 485924, 607405, 619972, 633070, 761830, 774965, 1214810, 1266140, 1523660, 1549930, 2429620, 3099860, 4494797, 8989594, 17979188, 22473985, 44947970, 89895940]

約数ペア:

[(1, 89895940), (2, 44947970), (4, 22473985), (5, 17979188), (10, 8989594), (20, 4494797), (29, 3099860), (37, 2429620), (58, 1549930), (59, 1523660), (71, 1266140), (74, 1214810), (116, 774965), (118, 761830), (142, 633070), (145, 619972), (148, 607405), (185, 485924), (236, 380915), (284, 316535), (290, 309986), (295, 304732), (355, 253228), (370, 242962), (580, 154993), (590, 152366), (710, 126614), (740, 121481), (1073, 83780), (1180, 76183), (1420, 63307), (1711, 52540), (2059, 43660), (2146, 41890), (2183, 41180), (2627, 34220), (3422, 26270), (4118, 21830), (4189, 21460), (4292, 20945), (4366, 20590), (5254, 17110), (5365, 16756), (6844, 13135), (8236, 10915), (8378, 10730), (8555, 10508), (8732, 10295)]