290937728

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:308

約数の個数: 128

約数和(自身を含む): 669772800

約数和(自身を除く): 378835072

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 32, 34, 38, 62, 64, 68, 76, 124, 128, 136, 152, 227, 248, 272, 304, 323, 454, 496, 527, 544, 589, 608, 646, 908, 992, 1054, 1088, 1178, 1216, 1292, 1816, 1984, 2108, 2176, 2356, 2432, 2584, 3632, 3859, 3968, 4216, 4313, 4712, 5168, 7037, 7264, 7718, 8432, 8626, 9424, 10013, 10336, 14074, 14528, 15436, 16864, 17252, 18848, 20026, 20672, 28148, 29056, 30872, 33728, 34504, 37696, 40052, 41344, 56296, 61744, 67456, 69008, 73321, 75392, 80104, 112592, 119629, 123488, 133703, 138016, 146642, 160208, 225184, 239258, 246976, 267406, 276032, 293284, 320416, 450368, 478516, 493952, 534812, 552064, 586568, 640832, 900736, 957032, 1069624, 1173136, 1281664, 1914064, 2139248, 2272951, 2346272, 3828128, 4278496, 4545902, 4692544, 7656256, 8556992, 9091804, 9385088, 15312512, 17113984, 18183608, 36367216, 72734432, 145468864, 290937728]

約数ペア:

[(1, 290937728), (2, 145468864), (4, 72734432), (8, 36367216), (16, 18183608), (17, 17113984), (19, 15312512), (31, 9385088), (32, 9091804), (34, 8556992), (38, 7656256), (62, 4692544), (64, 4545902), (68, 4278496), (76, 3828128), (124, 2346272), (128, 2272951), (136, 2139248), (152, 1914064), (227, 1281664), (248, 1173136), (272, 1069624), (304, 957032), (323, 900736), (454, 640832), (496, 586568), (527, 552064), (544, 534812), (589, 493952), (608, 478516), (646, 450368), (908, 320416), (992, 293284), (1054, 276032), (1088, 267406), (1178, 246976), (1216, 239258), (1292, 225184), (1816, 160208), (1984, 146642), (2108, 138016), (2176, 133703), (2356, 123488), (2432, 119629), (2584, 112592), (3632, 80104), (3859, 75392), (3968, 73321), (4216, 69008), (4313, 67456), (4712, 61744), (5168, 56296), (7037, 41344), (7264, 40052), (7718, 37696), (8432, 34504), (8626, 33728), (9424, 30872), (10013, 29056), (10336, 28148), (14074, 20672), (14528, 20026), (15436, 18848), (16864, 17252)]