1890147220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{3221}}^1$

素因数の和:3341

約数の個数: 96

約数和(自身を含む): 4463526816

約数和(自身を除く): 2573379596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 61, 65, 74, 122, 130, 148, 185, 244, 260, 305, 370, 481, 610, 740, 793, 962, 1220, 1586, 1924, 2257, 2405, 3172, 3221, 3965, 4514, 4810, 6442, 7930, 9028, 9620, 11285, 12884, 15860, 16105, 22570, 29341, 32210, 41873, 45140, 58682, 64420, 83746, 117364, 119177, 146705, 167492, 196481, 209365, 238354, 293410, 392962, 418730, 476708, 586820, 595885, 785924, 837460, 982405, 1191770, 1549301, 1964810, 2383540, 2554253, 3098602, 3929620, 5108506, 6197204, 7269797, 7746505, 10217012, 12771265, 14539594, 15493010, 25542530, 29079188, 30986020, 36348985, 51085060, 72697970, 94507361, 145395940, 189014722, 378029444, 472536805, 945073610, 1890147220]

約数ペア:

[(1, 1890147220), (2, 945073610), (4, 472536805), (5, 378029444), (10, 189014722), (13, 145395940), (20, 94507361), (26, 72697970), (37, 51085060), (52, 36348985), (61, 30986020), (65, 29079188), (74, 25542530), (122, 15493010), (130, 14539594), (148, 12771265), (185, 10217012), (244, 7746505), (260, 7269797), (305, 6197204), (370, 5108506), (481, 3929620), (610, 3098602), (740, 2554253), (793, 2383540), (962, 1964810), (1220, 1549301), (1586, 1191770), (1924, 982405), (2257, 837460), (2405, 785924), (3172, 595885), (3221, 586820), (3965, 476708), (4514, 418730), (4810, 392962), (6442, 293410), (7930, 238354), (9028, 209365), (9620, 196481), (11285, 167492), (12884, 146705), (15860, 119177), (16105, 117364), (22570, 83746), (29341, 64420), (32210, 58682), (41873, 45140)]