438045400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{509}}^1$

素因数の和:869

約数の個数: 96

約数和(自身を含む): 1102273200

約数和(自身を除く): 664227800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 331, 509, 520, 650, 662, 1018, 1300, 1324, 1655, 2036, 2545, 2600, 2648, 3310, 4072, 4303, 5090, 6617, 6620, 8275, 8606, 10180, 12725, 13234, 13240, 16550, 17212, 20360, 21515, 25450, 26468, 33085, 33100, 34424, 43030, 50900, 52936, 66170, 66200, 86060, 101800, 107575, 132340, 165425, 168479, 172120, 215150, 264680, 330850, 336958, 430300, 661700, 673916, 842395, 860600, 1323400, 1347832, 1684790, 2190227, 3369580, 4211975, 4380454, 6739160, 8423950, 8760908, 10951135, 16847900, 17521816, 21902270, 33695800, 43804540, 54755675, 87609080, 109511350, 219022700, 438045400]

約数ペア:

[(1, 438045400), (2, 219022700), (4, 109511350), (5, 87609080), (8, 54755675), (10, 43804540), (13, 33695800), (20, 21902270), (25, 17521816), (26, 16847900), (40, 10951135), (50, 8760908), (52, 8423950), (65, 6739160), (100, 4380454), (104, 4211975), (130, 3369580), (200, 2190227), (260, 1684790), (325, 1347832), (331, 1323400), (509, 860600), (520, 842395), (650, 673916), (662, 661700), (1018, 430300), (1300, 336958), (1324, 330850), (1655, 264680), (2036, 215150), (2545, 172120), (2600, 168479), (2648, 165425), (3310, 132340), (4072, 107575), (4303, 101800), (5090, 86060), (6617, 66200), (6620, 66170), (8275, 52936), (8606, 50900), (10180, 43030), (12725, 34424), (13234, 33100), (13240, 33085), (16550, 26468), (17212, 25450), (20360, 21515)]