202741720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{683}}^1$

素因数の和:916

約数の個数: 64

約数和(自身を含む): 470564640

約数和(自身を除く): 267822920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 181, 205, 328, 362, 410, 683, 724, 820, 905, 1366, 1448, 1640, 1810, 2732, 3415, 3620, 5464, 6830, 7240, 7421, 13660, 14842, 27320, 28003, 29684, 37105, 56006, 59368, 74210, 112012, 123623, 140015, 148420, 224024, 247246, 280030, 296840, 494492, 560060, 618115, 988984, 1120120, 1236230, 2472460, 4944920, 5068543, 10137086, 20274172, 25342715, 40548344, 50685430, 101370860, 202741720]

約数ペア:

[(1, 202741720), (2, 101370860), (4, 50685430), (5, 40548344), (8, 25342715), (10, 20274172), (20, 10137086), (40, 5068543), (41, 4944920), (82, 2472460), (164, 1236230), (181, 1120120), (205, 988984), (328, 618115), (362, 560060), (410, 494492), (683, 296840), (724, 280030), (820, 247246), (905, 224024), (1366, 148420), (1448, 140015), (1640, 123623), (1810, 112012), (2732, 74210), (3415, 59368), (3620, 56006), (5464, 37105), (6830, 29684), (7240, 28003), (7421, 27320), (13660, 14842)]