210323820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{809}}^1$

素因数の和:1447

約数の個数: 96

約数和(自身を含む): 674956800

約数和(自身を除く): 464632980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 619, 809, 1238, 1618, 1857, 2427, 2476, 3095, 3236, 3714, 4045, 4333, 4854, 5663, 6190, 7428, 8090, 8666, 9285, 9708, 11326, 12135, 12380, 12999, 16180, 16989, 17332, 18570, 21665, 22652, 24270, 25998, 28315, 33978, 37140, 43330, 48540, 51996, 56630, 64995, 67956, 84945, 86660, 113260, 129990, 169890, 259980, 339780, 500771, 1001542, 1502313, 2003084, 2503855, 3004626, 3505397, 5007710, 6009252, 7010794, 7511565, 10015420, 10516191, 14021588, 15023130, 17526985, 21032382, 30046260, 35053970, 42064764, 52580955, 70107940, 105161910, 210323820]

約数ペア:

[(1, 210323820), (2, 105161910), (3, 70107940), (4, 52580955), (5, 42064764), (6, 35053970), (7, 30046260), (10, 21032382), (12, 17526985), (14, 15023130), (15, 14021588), (20, 10516191), (21, 10015420), (28, 7511565), (30, 7010794), (35, 6009252), (42, 5007710), (60, 3505397), (70, 3004626), (84, 2503855), (105, 2003084), (140, 1502313), (210, 1001542), (420, 500771), (619, 339780), (809, 259980), (1238, 169890), (1618, 129990), (1857, 113260), (2427, 86660), (2476, 84945), (3095, 67956), (3236, 64995), (3714, 56630), (4045, 51996), (4333, 48540), (4854, 43330), (5663, 37140), (6190, 33978), (7428, 28315), (8090, 25998), (8666, 24270), (9285, 22652), (9708, 21665), (11326, 18570), (12135, 17332), (12380, 16989), (12999, 16180)]