418837900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:624

約数の個数: 144

約数和(自身を含む): 1065487360

約数和(自身を除く): 646649460

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 31, 38, 50, 52, 62, 65, 76, 95, 100, 124, 130, 155, 190, 247, 260, 310, 325, 380, 403, 475, 494, 547, 589, 620, 650, 775, 806, 950, 988, 1094, 1178, 1235, 1300, 1550, 1612, 1900, 2015, 2188, 2356, 2470, 2735, 2945, 3100, 4030, 4940, 5470, 5890, 6175, 7111, 7657, 8060, 10075, 10393, 10940, 11780, 12350, 13675, 14222, 14725, 15314, 16957, 20150, 20786, 24700, 27350, 28444, 29450, 30628, 33914, 35555, 38285, 40300, 41572, 51965, 54700, 58900, 67828, 71110, 76570, 84785, 103930, 135109, 142220, 153140, 169570, 177775, 191425, 207860, 220441, 259825, 270218, 322183, 339140, 355550, 382850, 423925, 440882, 519650, 540436, 644366, 675545, 711100, 765700, 847850, 881764, 1039300, 1102205, 1288732, 1351090, 1610915, 1695700, 2204410, 2702180, 3221830, 3377725, 4188379, 4408820, 5511025, 6443660, 6755450, 8054575, 8376758, 11022050, 13510900, 16109150, 16753516, 20941895, 22044100, 32218300, 41883790, 83767580, 104709475, 209418950, 418837900]

約数ペア:

[(1, 418837900), (2, 209418950), (4, 104709475), (5, 83767580), (10, 41883790), (13, 32218300), (19, 22044100), (20, 20941895), (25, 16753516), (26, 16109150), (31, 13510900), (38, 11022050), (50, 8376758), (52, 8054575), (62, 6755450), (65, 6443660), (76, 5511025), (95, 4408820), (100, 4188379), (124, 3377725), (130, 3221830), (155, 2702180), (190, 2204410), (247, 1695700), (260, 1610915), (310, 1351090), (325, 1288732), (380, 1102205), (403, 1039300), (475, 881764), (494, 847850), (547, 765700), (589, 711100), (620, 675545), (650, 644366), (775, 540436), (806, 519650), (950, 440882), (988, 423925), (1094, 382850), (1178, 355550), (1235, 339140), (1300, 322183), (1550, 270218), (1612, 259825), (1900, 220441), (2015, 207860), (2188, 191425), (2356, 177775), (2470, 169570), (2735, 153140), (2945, 142220), (3100, 135109), (4030, 103930), (4940, 84785), (5470, 76570), (5890, 71110), (6175, 67828), (7111, 58900), (7657, 54700), (8060, 51965), (10075, 41572), (10393, 40300), (10940, 38285), (11780, 35555), (12350, 33914), (13675, 30628), (14222, 29450), (14725, 28444), (15314, 27350), (16957, 24700), (20150, 20786)]