201232240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{659}}^1$

素因数の和:1030

約数の個数: 80

約数和(自身を含む): 512645760

約数和(自身を除く): 311413520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 347, 440, 659, 694, 880, 1318, 1388, 1735, 2636, 2776, 3295, 3470, 3817, 5272, 5552, 6590, 6940, 7249, 7634, 10544, 13180, 13880, 14498, 15268, 19085, 26360, 27760, 28996, 30536, 36245, 38170, 52720, 57992, 61072, 72490, 76340, 115984, 144980, 152680, 228673, 289960, 305360, 457346, 579920, 914692, 1143365, 1829384, 2286730, 2515403, 3658768, 4573460, 5030806, 9146920, 10061612, 12577015, 18293840, 20123224, 25154030, 40246448, 50308060, 100616120, 201232240]

約数ペア:

[(1, 201232240), (2, 100616120), (4, 50308060), (5, 40246448), (8, 25154030), (10, 20123224), (11, 18293840), (16, 12577015), (20, 10061612), (22, 9146920), (40, 5030806), (44, 4573460), (55, 3658768), (80, 2515403), (88, 2286730), (110, 1829384), (176, 1143365), (220, 914692), (347, 579920), (440, 457346), (659, 305360), (694, 289960), (880, 228673), (1318, 152680), (1388, 144980), (1735, 115984), (2636, 76340), (2776, 72490), (3295, 61072), (3470, 57992), (3817, 52720), (5272, 38170), (5552, 36245), (6590, 30536), (6940, 28996), (7249, 27760), (7634, 26360), (10544, 19085), (13180, 15268), (13880, 14498)]