390695728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 818003200

約数和(自身を除く): 427307472

約数列:

[1, 2, 4, 8, 16, 31, 37, 61, 62, 74, 122, 124, 148, 244, 248, 296, 349, 488, 496, 592, 698, 976, 1147, 1396, 1891, 2257, 2294, 2792, 3782, 4514, 4588, 5584, 7564, 9028, 9176, 10819, 12913, 15128, 18056, 18352, 21289, 21638, 25826, 30256, 36112, 42578, 43276, 51652, 69967, 85156, 86552, 103304, 139934, 170312, 173104, 206608, 279868, 340624, 400303, 559736, 659959, 787693, 800606, 1119472, 1319918, 1575386, 1601212, 2639836, 3150772, 3202424, 5279672, 6301544, 6404848, 10559344, 12603088, 24418483, 48836966, 97673932, 195347864, 390695728]

約数ペア:

[(1, 390695728), (2, 195347864), (4, 97673932), (8, 48836966), (16, 24418483), (31, 12603088), (37, 10559344), (61, 6404848), (62, 6301544), (74, 5279672), (122, 3202424), (124, 3150772), (148, 2639836), (244, 1601212), (248, 1575386), (296, 1319918), (349, 1119472), (488, 800606), (496, 787693), (592, 659959), (698, 559736), (976, 400303), (1147, 340624), (1396, 279868), (1891, 206608), (2257, 173104), (2294, 170312), (2792, 139934), (3782, 103304), (4514, 86552), (4588, 85156), (5584, 69967), (7564, 51652), (9028, 43276), (9176, 42578), (10819, 36112), (12913, 30256), (15128, 25826), (18056, 21638), (18352, 21289)]