355806640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:819

約数の個数: 120

約数和(自身を含む): 970719120

約数和(自身を除く): 614912480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 139, 140, 196, 245, 278, 280, 392, 490, 556, 560, 653, 695, 784, 973, 980, 1112, 1306, 1390, 1946, 1960, 2224, 2612, 2780, 3265, 3892, 3920, 4571, 4865, 5224, 5560, 6530, 6811, 7784, 9142, 9730, 10448, 11120, 13060, 13622, 15568, 18284, 19460, 22855, 26120, 27244, 31997, 34055, 36568, 38920, 45710, 52240, 54488, 63994, 68110, 73136, 77840, 90767, 91420, 108976, 127988, 136220, 159985, 181534, 182840, 255976, 272440, 319970, 363068, 365680, 453835, 511952, 544880, 635369, 639940, 726136, 907670, 1270738, 1279880, 1452272, 1815340, 2541476, 2559760, 3176845, 3630680, 4447583, 5082952, 6353690, 7261360, 8895166, 10165904, 12707380, 17790332, 22237915, 25414760, 35580664, 44475830, 50829520, 71161328, 88951660, 177903320, 355806640]

約数ペア:

[(1, 355806640), (2, 177903320), (4, 88951660), (5, 71161328), (7, 50829520), (8, 44475830), (10, 35580664), (14, 25414760), (16, 22237915), (20, 17790332), (28, 12707380), (35, 10165904), (40, 8895166), (49, 7261360), (56, 6353690), (70, 5082952), (80, 4447583), (98, 3630680), (112, 3176845), (139, 2559760), (140, 2541476), (196, 1815340), (245, 1452272), (278, 1279880), (280, 1270738), (392, 907670), (490, 726136), (556, 639940), (560, 635369), (653, 544880), (695, 511952), (784, 453835), (973, 365680), (980, 363068), (1112, 319970), (1306, 272440), (1390, 255976), (1946, 182840), (1960, 181534), (2224, 159985), (2612, 136220), (2780, 127988), (3265, 108976), (3892, 91420), (3920, 90767), (4571, 77840), (4865, 73136), (5224, 68110), (5560, 63994), (6530, 54488), (6811, 52240), (7784, 45710), (9142, 38920), (9730, 36568), (10448, 34055), (11120, 31997), (13060, 27244), (13622, 26120), (15568, 22855), (18284, 19460)]