1981107070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{5693}}^1$

素因数の和:5829

約数の個数: 64

約数和(自身を含む): 3984888960

約数和(自身を除く): 2003781890

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 89, 115, 170, 178, 230, 391, 445, 782, 890, 1513, 1955, 2047, 3026, 3910, 4094, 5693, 7565, 10235, 11386, 15130, 20470, 28465, 34799, 56930, 69598, 96781, 130939, 173995, 193562, 261878, 347990, 483905, 506677, 654695, 967810, 1013354, 1309390, 2225963, 2533385, 4451926, 5066770, 8613509, 11129815, 11653571, 17227018, 22259630, 23307142, 43067545, 58267855, 86135090, 116535710, 198110707, 396221414, 990553535, 1981107070]

約数ペア:

[(1, 1981107070), (2, 990553535), (5, 396221414), (10, 198110707), (17, 116535710), (23, 86135090), (34, 58267855), (46, 43067545), (85, 23307142), (89, 22259630), (115, 17227018), (170, 11653571), (178, 11129815), (230, 8613509), (391, 5066770), (445, 4451926), (782, 2533385), (890, 2225963), (1513, 1309390), (1955, 1013354), (2047, 967810), (3026, 654695), (3910, 506677), (4094, 483905), (5693, 347990), (7565, 261878), (10235, 193562), (11386, 173995), (15130, 130939), (20470, 96781), (28465, 69598), (34799, 56930)]