49041980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 118540800

約数和(自身を除く): 69498820

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 59, 65, 92, 115, 118, 130, 139, 230, 236, 260, 278, 295, 299, 460, 556, 590, 598, 695, 767, 1180, 1196, 1357, 1390, 1495, 1534, 1807, 2714, 2780, 2990, 3068, 3197, 3614, 3835, 5428, 5980, 6394, 6785, 7228, 7670, 8201, 9035, 12788, 13570, 15340, 15985, 16402, 17641, 18070, 27140, 31970, 32804, 35282, 36140, 41005, 41561, 63940, 70564, 82010, 83122, 88205, 106613, 164020, 166244, 176410, 188623, 207805, 213226, 352820, 377246, 415610, 426452, 533065, 754492, 831220, 943115, 1066130, 1886230, 2132260, 2452099, 3772460, 4904198, 9808396, 12260495, 24520990, 49041980]

約数ペア:

[(1, 49041980), (2, 24520990), (4, 12260495), (5, 9808396), (10, 4904198), (13, 3772460), (20, 2452099), (23, 2132260), (26, 1886230), (46, 1066130), (52, 943115), (59, 831220), (65, 754492), (92, 533065), (115, 426452), (118, 415610), (130, 377246), (139, 352820), (230, 213226), (236, 207805), (260, 188623), (278, 176410), (295, 166244), (299, 164020), (460, 106613), (556, 88205), (590, 83122), (598, 82010), (695, 70564), (767, 63940), (1180, 41561), (1196, 41005), (1357, 36140), (1390, 35282), (1495, 32804), (1534, 31970), (1807, 27140), (2714, 18070), (2780, 17641), (2990, 16402), (3068, 15985), (3197, 15340), (3614, 13570), (3835, 12788), (5428, 9035), (5980, 8201), (6394, 7670), (6785, 7228)]