42957320

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 128

約数和(自身を含む): 117504000

約数和(自身を除く): 74546680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 101, 124, 140, 155, 196, 202, 217, 245, 248, 280, 310, 343, 392, 404, 434, 490, 505, 620, 686, 707, 808, 868, 980, 1010, 1085, 1240, 1372, 1414, 1519, 1715, 1736, 1960, 2020, 2170, 2744, 2828, 3038, 3131, 3430, 3535, 4040, 4340, 4949, 5656, 6076, 6262, 6860, 7070, 7595, 8680, 9898, 10633, 12152, 12524, 13720, 14140, 15190, 15655, 19796, 21266, 21917, 24745, 25048, 28280, 30380, 31310, 34643, 39592, 42532, 43834, 49490, 53165, 60760, 62620, 69286, 85064, 87668, 98980, 106330, 109585, 125240, 138572, 153419, 173215, 175336, 197960, 212660, 219170, 277144, 306838, 346430, 425320, 438340, 613676, 692860, 767095, 876680, 1073933, 1227352, 1385720, 1534190, 2147866, 3068380, 4295732, 5369665, 6136760, 8591464, 10739330, 21478660, 42957320]

約数ペア:

[(1, 42957320), (2, 21478660), (4, 10739330), (5, 8591464), (7, 6136760), (8, 5369665), (10, 4295732), (14, 3068380), (20, 2147866), (28, 1534190), (31, 1385720), (35, 1227352), (40, 1073933), (49, 876680), (56, 767095), (62, 692860), (70, 613676), (98, 438340), (101, 425320), (124, 346430), (140, 306838), (155, 277144), (196, 219170), (202, 212660), (217, 197960), (245, 175336), (248, 173215), (280, 153419), (310, 138572), (343, 125240), (392, 109585), (404, 106330), (434, 98980), (490, 87668), (505, 85064), (620, 69286), (686, 62620), (707, 60760), (808, 53165), (868, 49490), (980, 43834), (1010, 42532), (1085, 39592), (1240, 34643), (1372, 31310), (1414, 30380), (1519, 28280), (1715, 25048), (1736, 24745), (1960, 21917), (2020, 21266), (2170, 19796), (2744, 15655), (2828, 15190), (3038, 14140), (3131, 13720), (3430, 12524), (3535, 12152), (4040, 10633), (4340, 9898), (4949, 8680), (5656, 7595), (6076, 7070), (6262, 6860)]