28899780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 192

約数和(自身を含む): 102359040

約数和(自身を除く): 73459260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 67, 70, 78, 79, 84, 91, 105, 130, 134, 140, 156, 158, 182, 195, 201, 210, 237, 260, 268, 273, 316, 335, 364, 390, 395, 402, 420, 455, 469, 474, 546, 553, 670, 780, 790, 804, 871, 910, 938, 948, 1005, 1027, 1092, 1106, 1185, 1340, 1365, 1407, 1580, 1659, 1742, 1820, 1876, 2010, 2054, 2212, 2345, 2370, 2613, 2730, 2765, 2814, 3081, 3318, 3484, 4020, 4108, 4355, 4690, 4740, 5135, 5226, 5293, 5460, 5530, 5628, 6097, 6162, 6636, 7035, 7189, 8295, 8710, 9380, 10270, 10452, 10586, 11060, 12194, 12324, 13065, 14070, 14378, 15405, 15879, 16590, 17420, 18291, 20540, 21172, 21567, 24388, 26130, 26465, 28140, 28756, 30485, 30810, 31758, 33180, 35945, 36582, 37051, 43134, 52260, 52930, 60970, 61620, 63516, 68809, 71890, 73164, 74102, 79395, 86268, 91455, 105860, 107835, 111153, 121940, 137618, 143780, 148204, 158790, 182910, 185255, 206427, 215670, 222306, 275236, 317580, 344045, 365820, 370510, 412854, 431340, 444612, 481663, 555765, 688090, 741020, 825708, 963326, 1032135, 1111530, 1376180, 1444989, 1926652, 2064270, 2223060, 2408315, 2889978, 4128540, 4816630, 5779956, 7224945, 9633260, 14449890, 28899780]

約数ペア:

[(1, 28899780), (2, 14449890), (3, 9633260), (4, 7224945), (5, 5779956), (6, 4816630), (7, 4128540), (10, 2889978), (12, 2408315), (13, 2223060), (14, 2064270), (15, 1926652), (20, 1444989), (21, 1376180), (26, 1111530), (28, 1032135), (30, 963326), (35, 825708), (39, 741020), (42, 688090), (52, 555765), (60, 481663), (65, 444612), (67, 431340), (70, 412854), (78, 370510), (79, 365820), (84, 344045), (91, 317580), (105, 275236), (130, 222306), (134, 215670), (140, 206427), (156, 185255), (158, 182910), (182, 158790), (195, 148204), (201, 143780), (210, 137618), (237, 121940), (260, 111153), (268, 107835), (273, 105860), (316, 91455), (335, 86268), (364, 79395), (390, 74102), (395, 73164), (402, 71890), (420, 68809), (455, 63516), (469, 61620), (474, 60970), (546, 52930), (553, 52260), (670, 43134), (780, 37051), (790, 36582), (804, 35945), (871, 33180), (910, 31758), (938, 30810), (948, 30485), (1005, 28756), (1027, 28140), (1092, 26465), (1106, 26130), (1185, 24388), (1340, 21567), (1365, 21172), (1407, 20540), (1580, 18291), (1659, 17420), (1742, 16590), (1820, 15879), (1876, 15405), (2010, 14378), (2054, 14070), (2212, 13065), (2345, 12324), (2370, 12194), (2613, 11060), (2730, 10586), (2765, 10452), (2814, 10270), (3081, 9380), (3318, 8710), (3484, 8295), (4020, 7189), (4108, 7035), (4355, 6636), (4690, 6162), (4740, 6097), (5135, 5628), (5226, 5530), (5293, 5460)]