221093940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1223}}^1$

素因数の和:1389

約数の個数: 96

約数和(自身を含む): 651442176

約数和(自身を除く): 430348236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 131, 138, 230, 262, 276, 345, 393, 460, 524, 655, 690, 786, 1223, 1310, 1380, 1572, 1965, 2446, 2620, 3013, 3669, 3930, 4892, 6026, 6115, 7338, 7860, 9039, 12052, 12230, 14676, 15065, 18078, 18345, 24460, 28129, 30130, 36156, 36690, 45195, 56258, 60260, 73380, 84387, 90390, 112516, 140645, 160213, 168774, 180780, 281290, 320426, 337548, 421935, 480639, 562580, 640852, 801065, 843870, 961278, 1602130, 1687740, 1922556, 2403195, 3204260, 3684899, 4806390, 7369798, 9612780, 11054697, 14739596, 18424495, 22109394, 36848990, 44218788, 55273485, 73697980, 110546970, 221093940]

約数ペア:

[(1, 221093940), (2, 110546970), (3, 73697980), (4, 55273485), (5, 44218788), (6, 36848990), (10, 22109394), (12, 18424495), (15, 14739596), (20, 11054697), (23, 9612780), (30, 7369798), (46, 4806390), (60, 3684899), (69, 3204260), (92, 2403195), (115, 1922556), (131, 1687740), (138, 1602130), (230, 961278), (262, 843870), (276, 801065), (345, 640852), (393, 562580), (460, 480639), (524, 421935), (655, 337548), (690, 320426), (786, 281290), (1223, 180780), (1310, 168774), (1380, 160213), (1572, 140645), (1965, 112516), (2446, 90390), (2620, 84387), (3013, 73380), (3669, 60260), (3930, 56258), (4892, 45195), (6026, 36690), (6115, 36156), (7338, 30130), (7860, 28129), (9039, 24460), (12052, 18345), (12230, 18078), (14676, 15065)]