205409100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1699}}^1$

素因数の和:1760

約数の個数: 144

約数和(自身を含む): 661068800

約数和(自身を除く): 455659700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 130, 150, 155, 156, 186, 195, 260, 300, 310, 325, 372, 390, 403, 465, 620, 650, 775, 780, 806, 930, 975, 1209, 1300, 1550, 1612, 1699, 1860, 1950, 2015, 2325, 2418, 3100, 3398, 3900, 4030, 4650, 4836, 5097, 6045, 6796, 8060, 8495, 9300, 10075, 10194, 12090, 16990, 20150, 20388, 22087, 24180, 25485, 30225, 33980, 40300, 42475, 44174, 50970, 52669, 60450, 66261, 84950, 88348, 101940, 105338, 110435, 120900, 127425, 132522, 158007, 169900, 210676, 220870, 254850, 263345, 265044, 316014, 331305, 441740, 509700, 526690, 552175, 632028, 662610, 684697, 790035, 1053380, 1104350, 1316725, 1325220, 1369394, 1580070, 1656525, 2054091, 2208700, 2633450, 2738788, 3160140, 3313050, 3423485, 3950175, 4108182, 5266900, 6626100, 6846970, 7900350, 8216364, 10270455, 13693940, 15800700, 17117425, 20540910, 34234850, 41081820, 51352275, 68469700, 102704550, 205409100]

約数ペア:

[(1, 205409100), (2, 102704550), (3, 68469700), (4, 51352275), (5, 41081820), (6, 34234850), (10, 20540910), (12, 17117425), (13, 15800700), (15, 13693940), (20, 10270455), (25, 8216364), (26, 7900350), (30, 6846970), (31, 6626100), (39, 5266900), (50, 4108182), (52, 3950175), (60, 3423485), (62, 3313050), (65, 3160140), (75, 2738788), (78, 2633450), (93, 2208700), (100, 2054091), (124, 1656525), (130, 1580070), (150, 1369394), (155, 1325220), (156, 1316725), (186, 1104350), (195, 1053380), (260, 790035), (300, 684697), (310, 662610), (325, 632028), (372, 552175), (390, 526690), (403, 509700), (465, 441740), (620, 331305), (650, 316014), (775, 265044), (780, 263345), (806, 254850), (930, 220870), (975, 210676), (1209, 169900), (1300, 158007), (1550, 132522), (1612, 127425), (1699, 120900), (1860, 110435), (1950, 105338), (2015, 101940), (2325, 88348), (2418, 84950), (3100, 66261), (3398, 60450), (3900, 52669), (4030, 50970), (4650, 44174), (4836, 42475), (5097, 40300), (6045, 33980), (6796, 30225), (8060, 25485), (8495, 24180), (9300, 22087), (10075, 20388), (10194, 20150), (12090, 16990)]