40849340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 101333232

約数和(自身を除く): 60483892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 571, 730, 980, 1022, 1142, 1460, 2044, 2284, 2555, 2855, 3577, 3997, 5110, 5710, 7154, 7994, 10220, 11420, 14308, 15988, 17885, 19985, 27979, 35770, 39970, 41683, 55958, 71540, 79940, 83366, 111916, 139895, 166732, 208415, 279790, 291781, 416830, 559580, 583562, 833660, 1167124, 1458905, 2042467, 2917810, 4084934, 5835620, 8169868, 10212335, 20424670, 40849340]

約数ペア:

[(1, 40849340), (2, 20424670), (4, 10212335), (5, 8169868), (7, 5835620), (10, 4084934), (14, 2917810), (20, 2042467), (28, 1458905), (35, 1167124), (49, 833660), (70, 583562), (73, 559580), (98, 416830), (140, 291781), (146, 279790), (196, 208415), (245, 166732), (292, 139895), (365, 111916), (490, 83366), (511, 79940), (571, 71540), (730, 55958), (980, 41683), (1022, 39970), (1142, 35770), (1460, 27979), (2044, 19985), (2284, 17885), (2555, 15988), (2855, 14308), (3577, 11420), (3997, 10220), (5110, 7994), (5710, 7154)]