218957960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:136

約数の個数: 192

約数和(自身を含む): 594155520

約数和(自身を除く): 375197560

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 31, 34, 40, 47, 52, 62, 65, 68, 85, 94, 104, 124, 130, 136, 155, 170, 188, 221, 235, 248, 260, 289, 310, 340, 376, 403, 442, 470, 520, 527, 578, 611, 620, 680, 799, 806, 884, 940, 1054, 1105, 1156, 1222, 1240, 1445, 1457, 1598, 1612, 1768, 1880, 2015, 2108, 2210, 2312, 2444, 2635, 2890, 2914, 3055, 3196, 3224, 3757, 3995, 4030, 4216, 4420, 4888, 5270, 5780, 5828, 6110, 6392, 6851, 7285, 7514, 7990, 8060, 8840, 8959, 10387, 10540, 11560, 11656, 12220, 13583, 13702, 14570, 15028, 15980, 16120, 17918, 18785, 18941, 20774, 21080, 24440, 24769, 27166, 27404, 29140, 30056, 31960, 34255, 35836, 37570, 37882, 41548, 44795, 49538, 51935, 54332, 54808, 58280, 67915, 68510, 71672, 75140, 75764, 83096, 89590, 94705, 99076, 103870, 108664, 116467, 123845, 135830, 137020, 150280, 151528, 176579, 179180, 189410, 198152, 207740, 232934, 247690, 271660, 274040, 321997, 353158, 358360, 378820, 415480, 421073, 465868, 495380, 543320, 582335, 643994, 706316, 757640, 842146, 882895, 931736, 990760, 1164670, 1287988, 1412632, 1609985, 1684292, 1765790, 2105365, 2329340, 2575976, 3219970, 3368584, 3531580, 4210730, 4658680, 5473949, 6439940, 7063160, 8421460, 10947898, 12879880, 16842920, 21895796, 27369745, 43791592, 54739490, 109478980, 218957960]

約数ペア:

[(1, 218957960), (2, 109478980), (4, 54739490), (5, 43791592), (8, 27369745), (10, 21895796), (13, 16842920), (17, 12879880), (20, 10947898), (26, 8421460), (31, 7063160), (34, 6439940), (40, 5473949), (47, 4658680), (52, 4210730), (62, 3531580), (65, 3368584), (68, 3219970), (85, 2575976), (94, 2329340), (104, 2105365), (124, 1765790), (130, 1684292), (136, 1609985), (155, 1412632), (170, 1287988), (188, 1164670), (221, 990760), (235, 931736), (248, 882895), (260, 842146), (289, 757640), (310, 706316), (340, 643994), (376, 582335), (403, 543320), (442, 495380), (470, 465868), (520, 421073), (527, 415480), (578, 378820), (611, 358360), (620, 353158), (680, 321997), (799, 274040), (806, 271660), (884, 247690), (940, 232934), (1054, 207740), (1105, 198152), (1156, 189410), (1222, 179180), (1240, 176579), (1445, 151528), (1457, 150280), (1598, 137020), (1612, 135830), (1768, 123845), (1880, 116467), (2015, 108664), (2108, 103870), (2210, 99076), (2312, 94705), (2444, 89590), (2635, 83096), (2890, 75764), (2914, 75140), (3055, 71672), (3196, 68510), (3224, 67915), (3757, 58280), (3995, 54808), (4030, 54332), (4216, 51935), (4420, 49538), (4888, 44795), (5270, 41548), (5780, 37882), (5828, 37570), (6110, 35836), (6392, 34255), (6851, 31960), (7285, 30056), (7514, 29140), (7990, 27404), (8060, 27166), (8840, 24769), (8959, 24440), (10387, 21080), (10540, 20774), (11560, 18941), (11656, 18785), (12220, 17918), (13583, 16120), (13702, 15980), (14570, 15028)]