7889775820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{3539}}^1$

素因数の和:3727

約数の個数: 96

約数和(自身を含む): 17984332800

約数和(自身を除く): 10094556980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 83, 85, 158, 166, 170, 316, 332, 340, 395, 415, 790, 830, 1343, 1411, 1580, 1660, 2686, 2822, 3539, 5372, 5644, 6557, 6715, 7055, 7078, 13114, 13430, 14110, 14156, 17695, 26228, 26860, 28220, 32785, 35390, 60163, 65570, 70780, 111469, 120326, 131140, 222938, 240652, 279581, 293737, 300815, 445876, 557345, 559162, 587474, 601630, 1114690, 1118324, 1174948, 1203260, 1397905, 1468685, 2229380, 2795810, 2937370, 4752877, 4993529, 5591620, 5874740, 9505754, 9987058, 19011508, 19974116, 23205223, 23764385, 24967645, 46410446, 47528770, 49935290, 92820892, 95057540, 99870580, 116026115, 232052230, 394488791, 464104460, 788977582, 1577955164, 1972443955, 3944887910, 7889775820]

約数ペア:

[(1, 7889775820), (2, 3944887910), (4, 1972443955), (5, 1577955164), (10, 788977582), (17, 464104460), (20, 394488791), (34, 232052230), (68, 116026115), (79, 99870580), (83, 95057540), (85, 92820892), (158, 49935290), (166, 47528770), (170, 46410446), (316, 24967645), (332, 23764385), (340, 23205223), (395, 19974116), (415, 19011508), (790, 9987058), (830, 9505754), (1343, 5874740), (1411, 5591620), (1580, 4993529), (1660, 4752877), (2686, 2937370), (2822, 2795810), (3539, 2229380), (5372, 1468685), (5644, 1397905), (6557, 1203260), (6715, 1174948), (7055, 1118324), (7078, 1114690), (13114, 601630), (13430, 587474), (14110, 559162), (14156, 557345), (17695, 445876), (26228, 300815), (26860, 293737), (28220, 279581), (32785, 240652), (35390, 222938), (60163, 131140), (65570, 120326), (70780, 111469)]