7868420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:98

約数の個数: 96

約数和(自身を含む): 20428800

約数和(自身を除く): 12560380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 37, 49, 62, 70, 74, 98, 124, 140, 148, 155, 185, 196, 217, 245, 259, 310, 343, 370, 434, 490, 518, 620, 686, 740, 868, 980, 1036, 1085, 1147, 1295, 1372, 1519, 1715, 1813, 2170, 2294, 2590, 3038, 3430, 3626, 4340, 4588, 5180, 5735, 6076, 6860, 7252, 7595, 8029, 9065, 10633, 11470, 12691, 15190, 16058, 18130, 21266, 22940, 25382, 30380, 32116, 36260, 40145, 42532, 50764, 53165, 56203, 63455, 80290, 106330, 112406, 126910, 160580, 212660, 224812, 253820, 281015, 393421, 562030, 786842, 1124060, 1573684, 1967105, 3934210, 7868420]

約数ペア:

[(1, 7868420), (2, 3934210), (4, 1967105), (5, 1573684), (7, 1124060), (10, 786842), (14, 562030), (20, 393421), (28, 281015), (31, 253820), (35, 224812), (37, 212660), (49, 160580), (62, 126910), (70, 112406), (74, 106330), (98, 80290), (124, 63455), (140, 56203), (148, 53165), (155, 50764), (185, 42532), (196, 40145), (217, 36260), (245, 32116), (259, 30380), (310, 25382), (343, 22940), (370, 21266), (434, 18130), (490, 16058), (518, 15190), (620, 12691), (686, 11470), (740, 10633), (868, 9065), (980, 8029), (1036, 7595), (1085, 7252), (1147, 6860), (1295, 6076), (1372, 5735), (1519, 5180), (1715, 4588), (1813, 4340), (2170, 3626), (2294, 3430), (2590, 3038)]