42161990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 87091200

約数和(自身を除く): 44929210

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 59, 65, 115, 118, 130, 230, 239, 295, 299, 478, 590, 598, 767, 1195, 1357, 1495, 1534, 2390, 2714, 2990, 3107, 3835, 5497, 6214, 6785, 7670, 10994, 13570, 14101, 15535, 17641, 27485, 28202, 31070, 35282, 54970, 70505, 71461, 88205, 141010, 142922, 176410, 183313, 324323, 357305, 366626, 648646, 714610, 916565, 1621615, 1833130, 3243230, 4216199, 8432398, 21080995, 42161990]

約数ペア:

[(1, 42161990), (2, 21080995), (5, 8432398), (10, 4216199), (13, 3243230), (23, 1833130), (26, 1621615), (46, 916565), (59, 714610), (65, 648646), (115, 366626), (118, 357305), (130, 324323), (230, 183313), (239, 176410), (295, 142922), (299, 141010), (478, 88205), (590, 71461), (598, 70505), (767, 54970), (1195, 35282), (1357, 31070), (1495, 28202), (1534, 27485), (2390, 17641), (2714, 15535), (2990, 14101), (3107, 13570), (3835, 10994), (5497, 7670), (6214, 6785)]