1644990820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{10487}}^1$

素因数の和:10561

約数の個数: 96

約数和(自身を含む): 4059611136

約数和(自身を除く): 2414620316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 31, 44, 46, 55, 62, 92, 110, 115, 124, 155, 220, 230, 253, 310, 341, 460, 506, 620, 682, 713, 1012, 1265, 1364, 1426, 1705, 2530, 2852, 3410, 3565, 5060, 6820, 7130, 7843, 10487, 14260, 15686, 20974, 31372, 39215, 41948, 52435, 78430, 104870, 115357, 156860, 209740, 230714, 241201, 325097, 461428, 482402, 576785, 650194, 964804, 1153570, 1206005, 1300388, 1625485, 2307140, 2412010, 2653211, 3250970, 3576067, 4824020, 5306422, 6501940, 7152134, 7477231, 10612844, 13266055, 14304268, 14954462, 17880335, 26532110, 29908924, 35760670, 37386155, 53064220, 71521340, 74772310, 82249541, 149544620, 164499082, 328998164, 411247705, 822495410, 1644990820]

約数ペア:

[(1, 1644990820), (2, 822495410), (4, 411247705), (5, 328998164), (10, 164499082), (11, 149544620), (20, 82249541), (22, 74772310), (23, 71521340), (31, 53064220), (44, 37386155), (46, 35760670), (55, 29908924), (62, 26532110), (92, 17880335), (110, 14954462), (115, 14304268), (124, 13266055), (155, 10612844), (220, 7477231), (230, 7152134), (253, 6501940), (310, 5306422), (341, 4824020), (460, 3576067), (506, 3250970), (620, 2653211), (682, 2412010), (713, 2307140), (1012, 1625485), (1265, 1300388), (1364, 1206005), (1426, 1153570), (1705, 964804), (2530, 650194), (2852, 576785), (3410, 482402), (3565, 461428), (5060, 325097), (6820, 241201), (7130, 230714), (7843, 209740), (10487, 156860), (14260, 115357), (15686, 104870), (20974, 78430), (31372, 52435), (39215, 41948)]