315039608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 715008000

約数和(自身を除く): 399968392

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 37, 38, 52, 62, 74, 76, 104, 124, 139, 148, 152, 247, 248, 278, 296, 403, 481, 494, 556, 589, 703, 806, 962, 988, 1112, 1147, 1178, 1406, 1612, 1807, 1924, 1976, 2294, 2356, 2641, 2812, 3224, 3614, 3848, 4309, 4588, 4712, 5143, 5282, 5624, 7228, 7657, 8618, 9139, 9176, 10286, 10564, 14456, 14911, 15314, 17236, 18278, 20572, 21128, 21793, 29822, 30628, 34333, 34472, 36556, 41144, 43586, 56017, 59644, 61256, 66859, 68666, 73112, 81871, 87172, 97717, 112034, 119288, 133718, 137332, 159433, 163742, 174344, 195434, 224068, 267436, 274664, 283309, 318866, 327484, 390868, 448136, 534872, 566618, 637732, 654968, 781736, 1064323, 1133236, 1270321, 1275464, 2072629, 2128646, 2266472, 2540642, 3029227, 4145258, 4257292, 5081284, 6058454, 8290516, 8514584, 10162568, 12116908, 16581032, 24233816, 39379951, 78759902, 157519804, 315039608]

約数ペア:

[(1, 315039608), (2, 157519804), (4, 78759902), (8, 39379951), (13, 24233816), (19, 16581032), (26, 12116908), (31, 10162568), (37, 8514584), (38, 8290516), (52, 6058454), (62, 5081284), (74, 4257292), (76, 4145258), (104, 3029227), (124, 2540642), (139, 2266472), (148, 2128646), (152, 2072629), (247, 1275464), (248, 1270321), (278, 1133236), (296, 1064323), (403, 781736), (481, 654968), (494, 637732), (556, 566618), (589, 534872), (703, 448136), (806, 390868), (962, 327484), (988, 318866), (1112, 283309), (1147, 274664), (1178, 267436), (1406, 224068), (1612, 195434), (1807, 174344), (1924, 163742), (1976, 159433), (2294, 137332), (2356, 133718), (2641, 119288), (2812, 112034), (3224, 97717), (3614, 87172), (3848, 81871), (4309, 73112), (4588, 68666), (4712, 66859), (5143, 61256), (5282, 59644), (5624, 56017), (7228, 43586), (7657, 41144), (8618, 36556), (9139, 34472), (9176, 34333), (10286, 30628), (10564, 29822), (14456, 21793), (14911, 21128), (15314, 20572), (17236, 18278)]