1958082140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{64453}}^1$

素因数の和:64507

約数の個数: 72

約数和(自身を含む): 4937692032

約数和(自身を除く): 2979609892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 15190, 30380, 64453, 128906, 257812, 322265, 451171, 644530, 902342, 1289060, 1804684, 1998043, 2255855, 3158197, 3996086, 4511710, 6316394, 7992172, 9023420, 9990215, 12632788, 13986301, 15790985, 19980430, 27972602, 31581970, 39960860, 55945204, 63163940, 69931505, 97904107, 139863010, 195808214, 279726020, 391616428, 489520535, 979041070, 1958082140]

約数ペア:

[(1, 1958082140), (2, 979041070), (4, 489520535), (5, 391616428), (7, 279726020), (10, 195808214), (14, 139863010), (20, 97904107), (28, 69931505), (31, 63163940), (35, 55945204), (49, 39960860), (62, 31581970), (70, 27972602), (98, 19980430), (124, 15790985), (140, 13986301), (155, 12632788), (196, 9990215), (217, 9023420), (245, 7992172), (310, 6316394), (434, 4511710), (490, 3996086), (620, 3158197), (868, 2255855), (980, 1998043), (1085, 1804684), (1519, 1289060), (2170, 902342), (3038, 644530), (4340, 451171), (6076, 322265), (7595, 257812), (15190, 128906), (30380, 64453)]