About the Number

488389980

488389979 ← → 488389981

2進数表記:11101000111000011110101011100

漢数字表記:四億八千八百三十八万九千九百八十

素因数分解:

2 2 × 3 1 × 5 1 × 13 1 × 293 1 × 2137 1

素因数の和:2455
約数の個数: 96
約数和(自身を含む): 1478401344
約数和(自身を除く): 990011364

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 293, 390, 586, 780, 879, 1172, 1465, 1758, 2137, 2930, 3516, 3809, 4274, 4395, 5860, 6411, 7618, 8548, 8790, 10685, 11427, 12822, 15236, 17580, 19045, 21370, 22854, 25644, 27781, 32055, 38090, 42740, 45708, 55562, 57135, 64110, 76180, 83343, 111124, 114270, 128220, 138905, 166686, 228540, 277810, 333372, 416715, 555620, 626141, 833430, 1252282, 1666860, 1878423, 2504564, 3130705, 3756846, 6261410, 7513692, 8139833, 9392115, 12522820, 16279666, 18784230, 24419499, 32559332, 37568460, 40699165, 48838998, 81398330, 97677996, 122097495, 162796660, 244194990, 488389980]

約数ペア:
[(1, 488389980), (2, 244194990), (3, 162796660), (4, 122097495), (5, 97677996), (6, 81398330), (10, 48838998), (12, 40699165), (13, 37568460), (15, 32559332), (20, 24419499), (26, 18784230), (30, 16279666), (39, 12522820), (52, 9392115), (60, 8139833), (65, 7513692), (78, 6261410), (130, 3756846), (156, 3130705), (195, 2504564), (260, 1878423), (293, 1666860), (390, 1252282), (586, 833430), (780, 626141), (879, 555620), (1172, 416715), (1465, 333372), (1758, 277810), (2137, 228540), (2930, 166686), (3516, 138905), (3809, 128220), (4274, 114270), (4395, 111124), (5860, 83343), (6411, 76180), (7618, 64110), (8548, 57135), (8790, 55562), (10685, 45708), (11427, 42740), (12822, 38090), (15236, 32055), (17580, 27781), (19045, 25644), (21370, 22854)]

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