7919538620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1\times {\mathrm{1601}}^1$

素因数の和:2103

約数の個数: 96

約数和(自身を含む): 19280903040

約数和(自身を除く): 11361364420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 397, 445, 623, 794, 890, 1246, 1588, 1601, 1780, 1985, 2492, 2779, 3115, 3202, 3970, 5558, 6230, 6404, 7940, 8005, 11116, 11207, 12460, 13895, 16010, 22414, 27790, 32020, 35333, 44828, 55580, 56035, 70666, 112070, 141332, 142489, 176665, 224140, 247331, 284978, 353330, 494662, 569956, 635597, 706660, 712445, 989324, 997423, 1236655, 1271194, 1424890, 1994846, 2473310, 2542388, 2849780, 3177985, 3989692, 4449179, 4946620, 4987115, 6355970, 8898358, 9974230, 12711940, 17796716, 19948460, 22245895, 44491790, 56568133, 88983580, 113136266, 226272532, 282840665, 395976931, 565681330, 791953862, 1131362660, 1583907724, 1979884655, 3959769310, 7919538620]

約数ペア:

[(1, 7919538620), (2, 3959769310), (4, 1979884655), (5, 1583907724), (7, 1131362660), (10, 791953862), (14, 565681330), (20, 395976931), (28, 282840665), (35, 226272532), (70, 113136266), (89, 88983580), (140, 56568133), (178, 44491790), (356, 22245895), (397, 19948460), (445, 17796716), (623, 12711940), (794, 9974230), (890, 8898358), (1246, 6355970), (1588, 4987115), (1601, 4946620), (1780, 4449179), (1985, 3989692), (2492, 3177985), (2779, 2849780), (3115, 2542388), (3202, 2473310), (3970, 1994846), (5558, 1424890), (6230, 1271194), (6404, 1236655), (7940, 997423), (8005, 989324), (11116, 712445), (11207, 706660), (12460, 635597), (13895, 569956), (16010, 494662), (22414, 353330), (27790, 284978), (32020, 247331), (35333, 224140), (44828, 176665), (55580, 142489), (56035, 141332), (70666, 112070)]