2019140980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1\times {\mathrm{3313}}^1$

素因数の和:4336

約数の個数: 48

約数和(自身を含む): 4382751744

約数和(自身を除く): 2363610764

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 983, 1966, 3313, 3932, 4915, 6626, 9830, 13252, 16565, 19660, 30473, 33130, 60946, 66260, 102703, 121892, 152365, 205406, 304730, 410812, 513515, 609460, 1027030, 2054060, 3256679, 6513358, 13026716, 16283395, 32566790, 65133580, 100957049, 201914098, 403828196, 504785245, 1009570490, 2019140980]

約数ペア:

[(1, 2019140980), (2, 1009570490), (4, 504785245), (5, 403828196), (10, 201914098), (20, 100957049), (31, 65133580), (62, 32566790), (124, 16283395), (155, 13026716), (310, 6513358), (620, 3256679), (983, 2054060), (1966, 1027030), (3313, 609460), (3932, 513515), (4915, 410812), (6626, 304730), (9830, 205406), (13252, 152365), (16565, 121892), (19660, 102703), (30473, 66260), (33130, 60946)]