1911711940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1\times {\mathrm{1553}}^1$

素因数の和:2632

約数の個数: 48

約数和(自身を含む): 4087082160

約数和(自身を除く): 2175370220

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1009, 1220, 1553, 2018, 3106, 4036, 5045, 6212, 7765, 10090, 15530, 20180, 31060, 61549, 94733, 123098, 189466, 246196, 307745, 378932, 473665, 615490, 947330, 1230980, 1566977, 1894660, 3133954, 6267908, 7834885, 15669770, 31339540, 95585597, 191171194, 382342388, 477927985, 955855970, 1911711940]

約数ペア:

[(1, 1911711940), (2, 955855970), (4, 477927985), (5, 382342388), (10, 191171194), (20, 95585597), (61, 31339540), (122, 15669770), (244, 7834885), (305, 6267908), (610, 3133954), (1009, 1894660), (1220, 1566977), (1553, 1230980), (2018, 947330), (3106, 615490), (4036, 473665), (5045, 378932), (6212, 307745), (7765, 246196), (10090, 189466), (15530, 123098), (20180, 94733), (31060, 61549)]