2019602620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{13831}}^1$

素因数の和:14003

約数の個数: 72

約数和(自身を含む): 4967071200

約数和(自身を除く): 2947468580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 298, 490, 596, 745, 980, 1043, 1490, 2086, 2980, 4172, 5215, 7301, 10430, 13831, 14602, 20860, 27662, 29204, 36505, 55324, 69155, 73010, 96817, 138310, 146020, 193634, 276620, 387268, 484085, 677719, 968170, 1355438, 1936340, 2060819, 2710876, 3388595, 4121638, 6777190, 8243276, 10304095, 13554380, 14425733, 20608190, 28851466, 41216380, 57702932, 72128665, 100980131, 144257330, 201960262, 288514660, 403920524, 504900655, 1009801310, 2019602620]

約数ペア:

[(1, 2019602620), (2, 1009801310), (4, 504900655), (5, 403920524), (7, 288514660), (10, 201960262), (14, 144257330), (20, 100980131), (28, 72128665), (35, 57702932), (49, 41216380), (70, 28851466), (98, 20608190), (140, 14425733), (149, 13554380), (196, 10304095), (245, 8243276), (298, 6777190), (490, 4121638), (596, 3388595), (745, 2710876), (980, 2060819), (1043, 1936340), (1490, 1355438), (2086, 968170), (2980, 677719), (4172, 484085), (5215, 387268), (7301, 276620), (10430, 193634), (13831, 146020), (14602, 138310), (20860, 96817), (27662, 73010), (29204, 69155), (36505, 55324)]