1284430420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{54287}}^1$

素因数の和:54329

約数の個数: 72

約数和(自身を含む): 3338060544

約数和(自身を除く): 2053630124

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3380, 4732, 5915, 11830, 23660, 54287, 108574, 217148, 271435, 380009, 542870, 705731, 760018, 1085740, 1411462, 1520036, 1900045, 2822924, 3528655, 3800090, 4940117, 7057310, 7600180, 9174503, 9880234, 14114620, 18349006, 19760468, 24700585, 36698012, 45872515, 49401170, 64221521, 91745030, 98802340, 128443042, 183490060, 256886084, 321107605, 642215210, 1284430420]

約数ペア:

[(1, 1284430420), (2, 642215210), (4, 321107605), (5, 256886084), (7, 183490060), (10, 128443042), (13, 98802340), (14, 91745030), (20, 64221521), (26, 49401170), (28, 45872515), (35, 36698012), (52, 24700585), (65, 19760468), (70, 18349006), (91, 14114620), (130, 9880234), (140, 9174503), (169, 7600180), (182, 7057310), (260, 4940117), (338, 3800090), (364, 3528655), (455, 2822924), (676, 1900045), (845, 1520036), (910, 1411462), (1183, 1085740), (1690, 760018), (1820, 705731), (2366, 542870), (3380, 380009), (4732, 271435), (5915, 217148), (11830, 108574), (23660, 54287)]