4739986180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{55001}}^1$

素因数の和:55180

約数の個数: 48

約数和(自身を含む): 10349176320

約数和(自身を除く): 5609190140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 1390, 2780, 4309, 8618, 17236, 21545, 43090, 55001, 86180, 110002, 220004, 275005, 550010, 1100020, 1705031, 3410062, 6820124, 7645139, 8525155, 15290278, 17050310, 30580556, 34100620, 38225695, 76451390, 152902780, 236999309, 473998618, 947997236, 1184996545, 2369993090, 4739986180]

約数ペア:

[(1, 4739986180), (2, 2369993090), (4, 1184996545), (5, 947997236), (10, 473998618), (20, 236999309), (31, 152902780), (62, 76451390), (124, 38225695), (139, 34100620), (155, 30580556), (278, 17050310), (310, 15290278), (556, 8525155), (620, 7645139), (695, 6820124), (1390, 3410062), (2780, 1705031), (4309, 1100020), (8618, 550010), (17236, 275005), (21545, 220004), (43090, 110002), (55001, 86180)]