211218540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{937}}^1$

素因数の和:996

約数の個数: 144

約数和(自身を含む): 677296032

約数和(自身を除く): 466077492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 289, 340, 390, 442, 510, 578, 663, 780, 867, 884, 937, 1020, 1105, 1156, 1326, 1445, 1734, 1874, 2210, 2652, 2811, 2890, 3315, 3468, 3748, 3757, 4335, 4420, 4685, 5622, 5780, 6630, 7514, 8670, 9370, 11244, 11271, 12181, 13260, 14055, 15028, 15929, 17340, 18740, 18785, 22542, 24362, 28110, 31858, 36543, 37570, 45084, 47787, 48724, 56220, 56355, 60905, 63716, 73086, 75140, 79645, 95574, 112710, 121810, 146172, 159290, 182715, 191148, 207077, 225420, 238935, 243620, 270793, 318580, 365430, 414154, 477870, 541586, 621231, 730860, 812379, 828308, 955740, 1035385, 1083172, 1242462, 1353965, 1624758, 2070770, 2484924, 2707930, 3106155, 3249516, 3520309, 4061895, 4141540, 5415860, 6212310, 7040618, 8123790, 10560927, 12424620, 14081236, 16247580, 17601545, 21121854, 35203090, 42243708, 52804635, 70406180, 105609270, 211218540]

約数ペア:

[(1, 211218540), (2, 105609270), (3, 70406180), (4, 52804635), (5, 42243708), (6, 35203090), (10, 21121854), (12, 17601545), (13, 16247580), (15, 14081236), (17, 12424620), (20, 10560927), (26, 8123790), (30, 7040618), (34, 6212310), (39, 5415860), (51, 4141540), (52, 4061895), (60, 3520309), (65, 3249516), (68, 3106155), (78, 2707930), (85, 2484924), (102, 2070770), (130, 1624758), (156, 1353965), (170, 1242462), (195, 1083172), (204, 1035385), (221, 955740), (255, 828308), (260, 812379), (289, 730860), (340, 621231), (390, 541586), (442, 477870), (510, 414154), (578, 365430), (663, 318580), (780, 270793), (867, 243620), (884, 238935), (937, 225420), (1020, 207077), (1105, 191148), (1156, 182715), (1326, 159290), (1445, 146172), (1734, 121810), (1874, 112710), (2210, 95574), (2652, 79645), (2811, 75140), (2890, 73086), (3315, 63716), (3468, 60905), (3748, 56355), (3757, 56220), (4335, 48724), (4420, 47787), (4685, 45084), (5622, 37570), (5780, 36543), (6630, 31858), (7514, 28110), (8670, 24362), (9370, 22542), (11244, 18785), (11271, 18740), (12181, 17340), (13260, 15929), (14055, 15028)]