870256940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{3019}}^1$

素因数の和:3135

約数の個数: 96

約数和(自身を含む): 2191795200

約数和(自身を除く): 1321538260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 71, 116, 140, 142, 145, 203, 284, 290, 355, 406, 497, 580, 710, 812, 994, 1015, 1420, 1988, 2030, 2059, 2485, 3019, 4060, 4118, 4970, 6038, 8236, 9940, 10295, 12076, 14413, 15095, 20590, 21133, 28826, 30190, 41180, 42266, 57652, 60380, 72065, 84532, 87551, 105665, 144130, 175102, 211330, 214349, 288260, 350204, 422660, 428698, 437755, 612857, 857396, 875510, 1071745, 1225714, 1500443, 1751020, 2143490, 2451428, 3000886, 3064285, 4286980, 6001772, 6128570, 6216121, 7502215, 12257140, 12432242, 15004430, 24864484, 30008860, 31080605, 43512847, 62161210, 87025694, 124322420, 174051388, 217564235, 435128470, 870256940]

約数ペア:

[(1, 870256940), (2, 435128470), (4, 217564235), (5, 174051388), (7, 124322420), (10, 87025694), (14, 62161210), (20, 43512847), (28, 31080605), (29, 30008860), (35, 24864484), (58, 15004430), (70, 12432242), (71, 12257140), (116, 7502215), (140, 6216121), (142, 6128570), (145, 6001772), (203, 4286980), (284, 3064285), (290, 3000886), (355, 2451428), (406, 2143490), (497, 1751020), (580, 1500443), (710, 1225714), (812, 1071745), (994, 875510), (1015, 857396), (1420, 612857), (1988, 437755), (2030, 428698), (2059, 422660), (2485, 350204), (3019, 288260), (4060, 214349), (4118, 211330), (4970, 175102), (6038, 144130), (8236, 105665), (9940, 87551), (10295, 84532), (12076, 72065), (14413, 60380), (15095, 57652), (20590, 42266), (21133, 41180), (28826, 30190)]