201928440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{571}}^1$

素因数の和:1013

約数の個数: 128

約数和(自身を含む): 695185920

約数和(自身を除く): 493257480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 421, 571, 840, 842, 1142, 1263, 1684, 1713, 2105, 2284, 2526, 2855, 2947, 3368, 3426, 3997, 4210, 4568, 5052, 5710, 5894, 6315, 6852, 7994, 8420, 8565, 8841, 10104, 11420, 11788, 11991, 12630, 13704, 14735, 15988, 16840, 17130, 17682, 19985, 22840, 23576, 23982, 25260, 29470, 31976, 34260, 35364, 39970, 44205, 47964, 50520, 58940, 59955, 68520, 70728, 79940, 88410, 95928, 117880, 119910, 159880, 176820, 239820, 240391, 353640, 479640, 480782, 721173, 961564, 1201955, 1442346, 1682737, 1923128, 2403910, 2884692, 3365474, 3605865, 4807820, 5048211, 5769384, 6730948, 7211730, 8413685, 9615640, 10096422, 13461896, 14423460, 16827370, 20192844, 25241055, 28846920, 33654740, 40385688, 50482110, 67309480, 100964220, 201928440]

約数ペア:

[(1, 201928440), (2, 100964220), (3, 67309480), (4, 50482110), (5, 40385688), (6, 33654740), (7, 28846920), (8, 25241055), (10, 20192844), (12, 16827370), (14, 14423460), (15, 13461896), (20, 10096422), (21, 9615640), (24, 8413685), (28, 7211730), (30, 6730948), (35, 5769384), (40, 5048211), (42, 4807820), (56, 3605865), (60, 3365474), (70, 2884692), (84, 2403910), (105, 1923128), (120, 1682737), (140, 1442346), (168, 1201955), (210, 961564), (280, 721173), (420, 480782), (421, 479640), (571, 353640), (840, 240391), (842, 239820), (1142, 176820), (1263, 159880), (1684, 119910), (1713, 117880), (2105, 95928), (2284, 88410), (2526, 79940), (2855, 70728), (2947, 68520), (3368, 59955), (3426, 58940), (3997, 50520), (4210, 47964), (4568, 44205), (5052, 39970), (5710, 35364), (5894, 34260), (6315, 31976), (6852, 29470), (7994, 25260), (8420, 23982), (8565, 23576), (8841, 22840), (10104, 19985), (11420, 17682), (11788, 17130), (11991, 16840), (12630, 15988), (13704, 14735)]