402571208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 899942400

約数和(自身を除く): 497371192

約数列:

[1, 2, 4, 8, 13, 23, 26, 31, 46, 52, 61, 62, 89, 92, 104, 122, 124, 178, 184, 244, 248, 299, 356, 403, 488, 598, 712, 713, 793, 806, 1157, 1196, 1403, 1426, 1586, 1612, 1891, 2047, 2314, 2392, 2759, 2806, 2852, 3172, 3224, 3782, 4094, 4628, 5429, 5518, 5612, 5704, 6344, 7564, 8188, 9256, 9269, 10858, 11036, 11224, 15128, 16376, 18239, 18538, 21716, 22072, 24583, 26611, 35867, 36478, 37076, 43432, 43493, 49166, 53222, 63457, 70577, 71734, 72956, 74152, 86986, 98332, 106444, 124867, 126914, 141154, 143468, 145912, 168299, 173972, 196664, 212888, 249734, 253828, 282308, 286936, 336598, 347944, 499468, 507656, 564616, 565409, 673196, 824941, 998936, 1130818, 1346392, 1623271, 1649882, 2187887, 2261636, 3246542, 3299764, 3870877, 4375774, 4523272, 6493084, 6599528, 7741754, 8751548, 12986168, 15483508, 17503096, 30967016, 50321401, 100642802, 201285604, 402571208]

約数ペア:

[(1, 402571208), (2, 201285604), (4, 100642802), (8, 50321401), (13, 30967016), (23, 17503096), (26, 15483508), (31, 12986168), (46, 8751548), (52, 7741754), (61, 6599528), (62, 6493084), (89, 4523272), (92, 4375774), (104, 3870877), (122, 3299764), (124, 3246542), (178, 2261636), (184, 2187887), (244, 1649882), (248, 1623271), (299, 1346392), (356, 1130818), (403, 998936), (488, 824941), (598, 673196), (712, 565409), (713, 564616), (793, 507656), (806, 499468), (1157, 347944), (1196, 336598), (1403, 286936), (1426, 282308), (1586, 253828), (1612, 249734), (1891, 212888), (2047, 196664), (2314, 173972), (2392, 168299), (2759, 145912), (2806, 143468), (2852, 141154), (3172, 126914), (3224, 124867), (3782, 106444), (4094, 98332), (4628, 86986), (5429, 74152), (5518, 72956), (5612, 71734), (5704, 70577), (6344, 63457), (7564, 53222), (8188, 49166), (9256, 43493), (9269, 43432), (10858, 37076), (11036, 36478), (11224, 35867), (15128, 26611), (16376, 24583), (18239, 22072), (18538, 21716)]