38907440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:235

約数の個数: 160

約数和(自身を含む): 112492800

約数和(自身を除く): 73585360

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 80, 88, 95, 104, 110, 130, 143, 152, 176, 179, 190, 208, 209, 220, 247, 260, 286, 304, 358, 380, 418, 440, 494, 520, 572, 715, 716, 760, 836, 880, 895, 988, 1040, 1045, 1144, 1235, 1430, 1432, 1520, 1672, 1790, 1969, 1976, 2090, 2288, 2327, 2470, 2717, 2860, 2864, 3344, 3401, 3580, 3938, 3952, 4180, 4654, 4940, 5434, 5720, 6802, 7160, 7876, 8360, 9308, 9845, 9880, 10868, 11440, 11635, 13585, 13604, 14320, 15752, 16720, 17005, 18616, 19690, 19760, 21736, 23270, 25597, 27170, 27208, 31504, 34010, 37232, 37411, 39380, 43472, 44213, 46540, 51194, 54340, 54416, 68020, 74822, 78760, 88426, 93080, 102388, 108680, 127985, 136040, 149644, 157520, 176852, 186160, 187055, 204776, 217360, 221065, 255970, 272080, 299288, 353704, 374110, 409552, 442130, 486343, 511940, 598576, 707408, 748220, 884260, 972686, 1023880, 1496440, 1768520, 1945372, 2047760, 2431715, 2992880, 3537040, 3890744, 4863430, 7781488, 9726860, 19453720, 38907440]

約数ペア:

[(1, 38907440), (2, 19453720), (4, 9726860), (5, 7781488), (8, 4863430), (10, 3890744), (11, 3537040), (13, 2992880), (16, 2431715), (19, 2047760), (20, 1945372), (22, 1768520), (26, 1496440), (38, 1023880), (40, 972686), (44, 884260), (52, 748220), (55, 707408), (65, 598576), (76, 511940), (80, 486343), (88, 442130), (95, 409552), (104, 374110), (110, 353704), (130, 299288), (143, 272080), (152, 255970), (176, 221065), (179, 217360), (190, 204776), (208, 187055), (209, 186160), (220, 176852), (247, 157520), (260, 149644), (286, 136040), (304, 127985), (358, 108680), (380, 102388), (418, 93080), (440, 88426), (494, 78760), (520, 74822), (572, 68020), (715, 54416), (716, 54340), (760, 51194), (836, 46540), (880, 44213), (895, 43472), (988, 39380), (1040, 37411), (1045, 37232), (1144, 34010), (1235, 31504), (1430, 27208), (1432, 27170), (1520, 25597), (1672, 23270), (1790, 21736), (1969, 19760), (1976, 19690), (2090, 18616), (2288, 17005), (2327, 16720), (2470, 15752), (2717, 14320), (2860, 13604), (2864, 13585), (3344, 11635), (3401, 11440), (3580, 10868), (3938, 9880), (3952, 9845), (4180, 9308), (4654, 8360), (4940, 7876), (5434, 7160), (5720, 6802)]