315689864

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:643

約数の個数: 128

約数和(自身を含む): 779673600

約数和(自身を除く): 463983736

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 31, 34, 38, 56, 62, 68, 76, 119, 124, 133, 136, 152, 217, 238, 248, 266, 323, 434, 476, 527, 532, 563, 589, 646, 868, 952, 1054, 1064, 1126, 1178, 1292, 1736, 2108, 2252, 2261, 2356, 2584, 3689, 3941, 4123, 4216, 4504, 4522, 4712, 7378, 7882, 8246, 9044, 9571, 10013, 10697, 14756, 15764, 16492, 17453, 18088, 19142, 20026, 21394, 29512, 31528, 32984, 34906, 38284, 40052, 42788, 66997, 69812, 70091, 74879, 76568, 80104, 85576, 122171, 133994, 139624, 140182, 149758, 181849, 244342, 267988, 280364, 296701, 299516, 331607, 363698, 488684, 535976, 560728, 593402, 599032, 663214, 727396, 977368, 1186804, 1272943, 1326428, 1454792, 2076907, 2321249, 2373608, 2545886, 2652856, 4153814, 4642498, 5091772, 5637319, 8307628, 9284996, 10183544, 11274638, 16615256, 18569992, 22549276, 39461233, 45098552, 78922466, 157844932, 315689864]

約数ペア:

[(1, 315689864), (2, 157844932), (4, 78922466), (7, 45098552), (8, 39461233), (14, 22549276), (17, 18569992), (19, 16615256), (28, 11274638), (31, 10183544), (34, 9284996), (38, 8307628), (56, 5637319), (62, 5091772), (68, 4642498), (76, 4153814), (119, 2652856), (124, 2545886), (133, 2373608), (136, 2321249), (152, 2076907), (217, 1454792), (238, 1326428), (248, 1272943), (266, 1186804), (323, 977368), (434, 727396), (476, 663214), (527, 599032), (532, 593402), (563, 560728), (589, 535976), (646, 488684), (868, 363698), (952, 331607), (1054, 299516), (1064, 296701), (1126, 280364), (1178, 267988), (1292, 244342), (1736, 181849), (2108, 149758), (2252, 140182), (2261, 139624), (2356, 133994), (2584, 122171), (3689, 85576), (3941, 80104), (4123, 76568), (4216, 74879), (4504, 70091), (4522, 69812), (4712, 66997), (7378, 42788), (7882, 40052), (8246, 38284), (9044, 34906), (9571, 32984), (10013, 31528), (10697, 29512), (14756, 21394), (15764, 20026), (16492, 19142), (17453, 18088)]