30908020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 77728896

約数和(自身を除く): 46820876

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 101, 107, 110, 130, 143, 202, 214, 220, 260, 286, 404, 428, 505, 535, 572, 715, 1010, 1070, 1111, 1177, 1313, 1391, 1430, 2020, 2140, 2222, 2354, 2626, 2782, 2860, 4444, 4708, 5252, 5555, 5564, 5885, 6565, 6955, 10807, 11110, 11770, 13130, 13910, 14443, 15301, 21614, 22220, 23540, 26260, 27820, 28886, 30602, 43228, 54035, 57772, 61204, 72215, 76505, 108070, 118877, 140491, 144430, 153010, 216140, 237754, 280982, 288860, 306020, 475508, 561964, 594385, 702455, 1188770, 1404910, 1545401, 2377540, 2809820, 3090802, 6181604, 7727005, 15454010, 30908020]

約数ペア:

[(1, 30908020), (2, 15454010), (4, 7727005), (5, 6181604), (10, 3090802), (11, 2809820), (13, 2377540), (20, 1545401), (22, 1404910), (26, 1188770), (44, 702455), (52, 594385), (55, 561964), (65, 475508), (101, 306020), (107, 288860), (110, 280982), (130, 237754), (143, 216140), (202, 153010), (214, 144430), (220, 140491), (260, 118877), (286, 108070), (404, 76505), (428, 72215), (505, 61204), (535, 57772), (572, 54035), (715, 43228), (1010, 30602), (1070, 28886), (1111, 27820), (1177, 26260), (1313, 23540), (1391, 22220), (1430, 21614), (2020, 15301), (2140, 14443), (2222, 13910), (2354, 13130), (2626, 11770), (2782, 11110), (2860, 10807), (4444, 6955), (4708, 6565), (5252, 5885), (5555, 5564)]