2021909540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{359}}^1\times {\mathrm{821}}^1$

素因数の和:1210

約数の個数: 96

約数和(自身を含む): 4971456000

約数和(自身を除く): 2949546460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 359, 490, 686, 718, 821, 980, 1372, 1436, 1642, 1715, 1795, 2513, 3284, 3430, 3590, 4105, 5026, 5747, 6860, 7180, 8210, 10052, 11494, 12565, 16420, 17591, 22988, 25130, 28735, 35182, 40229, 50260, 57470, 70364, 80458, 87955, 114940, 123137, 160916, 175910, 201145, 246274, 281603, 294739, 351820, 402290, 492548, 563206, 589478, 615685, 804580, 1126412, 1178956, 1231370, 1408015, 1473695, 2063173, 2462740, 2816030, 2947390, 4126346, 5632060, 5894780, 8252692, 10315865, 14442211, 20631730, 28884422, 41263460, 57768844, 72211055, 101095477, 144422110, 202190954, 288844220, 404381908, 505477385, 1010954770, 2021909540]

約数ペア:

[(1, 2021909540), (2, 1010954770), (4, 505477385), (5, 404381908), (7, 288844220), (10, 202190954), (14, 144422110), (20, 101095477), (28, 72211055), (35, 57768844), (49, 41263460), (70, 28884422), (98, 20631730), (140, 14442211), (196, 10315865), (245, 8252692), (343, 5894780), (359, 5632060), (490, 4126346), (686, 2947390), (718, 2816030), (821, 2462740), (980, 2063173), (1372, 1473695), (1436, 1408015), (1642, 1231370), (1715, 1178956), (1795, 1126412), (2513, 804580), (3284, 615685), (3430, 589478), (3590, 563206), (4105, 492548), (5026, 402290), (5747, 351820), (6860, 294739), (7180, 281603), (8210, 246274), (10052, 201145), (11494, 175910), (12565, 160916), (16420, 123137), (17591, 114940), (22988, 87955), (25130, 80458), (28735, 70364), (35182, 57470), (40229, 50260)]