917840140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{1249}}^1$

素因数の和:1475

約数の個数: 96

約数和(自身を含む): 2293200000

約数和(自身を除く): 1375359860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 181, 203, 290, 362, 406, 580, 724, 812, 905, 1015, 1249, 1267, 1810, 2030, 2498, 2534, 3620, 4060, 4996, 5068, 5249, 6245, 6335, 8743, 10498, 12490, 12670, 17486, 20996, 24980, 25340, 26245, 34972, 36221, 36743, 43715, 52490, 72442, 73486, 87430, 104980, 144884, 146972, 174860, 181105, 183715, 226069, 253547, 362210, 367430, 452138, 507094, 724420, 734860, 904276, 1014188, 1130345, 1267735, 1582483, 2260690, 2535470, 3164966, 4521380, 5070940, 6329932, 6556001, 7912415, 13112002, 15824830, 26224004, 31649660, 32780005, 45892007, 65560010, 91784014, 131120020, 183568028, 229460035, 458920070, 917840140]

約数ペア:

[(1, 917840140), (2, 458920070), (4, 229460035), (5, 183568028), (7, 131120020), (10, 91784014), (14, 65560010), (20, 45892007), (28, 32780005), (29, 31649660), (35, 26224004), (58, 15824830), (70, 13112002), (116, 7912415), (140, 6556001), (145, 6329932), (181, 5070940), (203, 4521380), (290, 3164966), (362, 2535470), (406, 2260690), (580, 1582483), (724, 1267735), (812, 1130345), (905, 1014188), (1015, 904276), (1249, 734860), (1267, 724420), (1810, 507094), (2030, 452138), (2498, 367430), (2534, 362210), (3620, 253547), (4060, 226069), (4996, 183715), (5068, 181105), (5249, 174860), (6245, 146972), (6335, 144884), (8743, 104980), (10498, 87430), (12490, 73486), (12670, 72442), (17486, 52490), (20996, 43715), (24980, 36743), (25340, 36221), (26245, 34972)]