40505948

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 88578000

約数和(自身を除く): 48072052

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 73, 76, 98, 133, 146, 149, 196, 266, 292, 298, 511, 532, 596, 931, 1022, 1043, 1387, 1862, 2044, 2086, 2774, 2831, 3577, 3724, 4172, 5548, 5662, 7154, 7301, 9709, 10877, 11324, 14308, 14602, 19418, 19817, 21754, 29204, 38836, 39634, 43508, 67963, 76139, 79268, 135926, 138719, 152278, 206663, 271852, 277438, 304556, 413326, 532973, 554876, 826652, 1065946, 1446641, 2131892, 2893282, 5786564, 10126487, 20252974, 40505948]

約数ペア:

[(1, 40505948), (2, 20252974), (4, 10126487), (7, 5786564), (14, 2893282), (19, 2131892), (28, 1446641), (38, 1065946), (49, 826652), (73, 554876), (76, 532973), (98, 413326), (133, 304556), (146, 277438), (149, 271852), (196, 206663), (266, 152278), (292, 138719), (298, 135926), (511, 79268), (532, 76139), (596, 67963), (931, 43508), (1022, 39634), (1043, 38836), (1387, 29204), (1862, 21754), (2044, 19817), (2086, 19418), (2774, 14602), (2831, 14308), (3577, 11324), (3724, 10877), (4172, 9709), (5548, 7301), (5662, 7154)]