355697720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1045

約数の個数: 128

約数和(自身を含む): 967127040

約数和(自身を除く): 611429320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 43, 56, 62, 70, 86, 124, 140, 155, 172, 215, 217, 248, 280, 301, 310, 344, 430, 434, 602, 620, 860, 868, 953, 1085, 1204, 1240, 1333, 1505, 1720, 1736, 1906, 2170, 2408, 2666, 3010, 3812, 4340, 4765, 5332, 6020, 6665, 6671, 7624, 8680, 9331, 9530, 10664, 12040, 13330, 13342, 18662, 19060, 26660, 26684, 29543, 33355, 37324, 38120, 40979, 46655, 53320, 53368, 59086, 66710, 74648, 81958, 93310, 118172, 133420, 147715, 163916, 186620, 204895, 206801, 236344, 266840, 286853, 295430, 327832, 373240, 409790, 413602, 573706, 590860, 819580, 827204, 1034005, 1147412, 1181720, 1270349, 1434265, 1639160, 1654408, 2068010, 2294824, 2540698, 2868530, 4136020, 5081396, 5737060, 6351745, 8272040, 8892443, 10162792, 11474120, 12703490, 17784886, 25406980, 35569772, 44462215, 50813960, 71139544, 88924430, 177848860, 355697720]

約数ペア:

[(1, 355697720), (2, 177848860), (4, 88924430), (5, 71139544), (7, 50813960), (8, 44462215), (10, 35569772), (14, 25406980), (20, 17784886), (28, 12703490), (31, 11474120), (35, 10162792), (40, 8892443), (43, 8272040), (56, 6351745), (62, 5737060), (70, 5081396), (86, 4136020), (124, 2868530), (140, 2540698), (155, 2294824), (172, 2068010), (215, 1654408), (217, 1639160), (248, 1434265), (280, 1270349), (301, 1181720), (310, 1147412), (344, 1034005), (430, 827204), (434, 819580), (602, 590860), (620, 573706), (860, 413602), (868, 409790), (953, 373240), (1085, 327832), (1204, 295430), (1240, 286853), (1333, 266840), (1505, 236344), (1720, 206801), (1736, 204895), (1906, 186620), (2170, 163916), (2408, 147715), (2666, 133420), (3010, 118172), (3812, 93310), (4340, 81958), (4765, 74648), (5332, 66710), (6020, 59086), (6665, 53368), (6671, 53320), (7624, 46655), (8680, 40979), (9331, 38120), (9530, 37324), (10664, 33355), (12040, 29543), (13330, 26684), (13342, 26660), (18662, 19060)]