218848840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1395

約数の個数: 128

約数和(自身を含む): 611942400

約数和(自身を除く): 393093560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 380, 434, 532, 589, 620, 665, 760, 868, 1064, 1085, 1178, 1240, 1327, 1330, 1736, 2170, 2356, 2654, 2660, 2945, 4123, 4340, 4712, 5308, 5320, 5890, 6635, 8246, 8680, 9289, 10616, 11780, 13270, 16492, 18578, 20615, 23560, 25213, 26540, 32984, 37156, 41137, 41230, 46445, 50426, 53080, 74312, 82274, 82460, 92890, 100852, 126065, 164548, 164920, 176491, 185780, 201704, 205685, 252130, 287959, 329096, 352982, 371560, 411370, 504260, 575918, 705964, 781603, 822740, 882455, 1008520, 1151836, 1411928, 1439795, 1563206, 1645480, 1764910, 2303672, 2879590, 3126412, 3529820, 3908015, 5471221, 5759180, 6252824, 7059640, 7816030, 10942442, 11518360, 15632060, 21884884, 27356105, 31264120, 43769768, 54712210, 109424420, 218848840]

約数ペア:

[(1, 218848840), (2, 109424420), (4, 54712210), (5, 43769768), (7, 31264120), (8, 27356105), (10, 21884884), (14, 15632060), (19, 11518360), (20, 10942442), (28, 7816030), (31, 7059640), (35, 6252824), (38, 5759180), (40, 5471221), (56, 3908015), (62, 3529820), (70, 3126412), (76, 2879590), (95, 2303672), (124, 1764910), (133, 1645480), (140, 1563206), (152, 1439795), (155, 1411928), (190, 1151836), (217, 1008520), (248, 882455), (266, 822740), (280, 781603), (310, 705964), (380, 575918), (434, 504260), (532, 411370), (589, 371560), (620, 352982), (665, 329096), (760, 287959), (868, 252130), (1064, 205685), (1085, 201704), (1178, 185780), (1240, 176491), (1327, 164920), (1330, 164548), (1736, 126065), (2170, 100852), (2356, 92890), (2654, 82460), (2660, 82274), (2945, 74312), (4123, 53080), (4340, 50426), (4712, 46445), (5308, 41230), (5320, 41137), (5890, 37156), (6635, 32984), (8246, 26540), (8680, 25213), (9289, 23560), (10616, 20615), (11780, 18578), (13270, 16492)]