991655600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10037}}^1$

素因数の和:10087

約数の個数: 120

約数和(自身を含む): 2701025040

約数和(自身を除く): 1709369440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 130, 152, 190, 200, 208, 247, 260, 304, 325, 380, 400, 475, 494, 520, 650, 760, 950, 988, 1040, 1235, 1300, 1520, 1900, 1976, 2470, 2600, 3800, 3952, 4940, 5200, 6175, 7600, 9880, 10037, 12350, 19760, 20074, 24700, 40148, 49400, 50185, 80296, 98800, 100370, 130481, 160592, 190703, 200740, 250925, 260962, 381406, 401480, 501850, 521924, 652405, 762812, 802960, 953515, 1003700, 1043848, 1304810, 1525624, 1907030, 2007400, 2087696, 2479139, 2609620, 3051248, 3262025, 3814060, 4014800, 4767575, 4958278, 5219240, 6524050, 7628120, 9535150, 9916556, 10438480, 12395695, 13048100, 15256240, 19070300, 19833112, 24791390, 26096200, 38140600, 39666224, 49582780, 52192400, 61978475, 76281200, 99165560, 123956950, 198331120, 247913900, 495827800, 991655600]

約数ペア:

[(1, 991655600), (2, 495827800), (4, 247913900), (5, 198331120), (8, 123956950), (10, 99165560), (13, 76281200), (16, 61978475), (19, 52192400), (20, 49582780), (25, 39666224), (26, 38140600), (38, 26096200), (40, 24791390), (50, 19833112), (52, 19070300), (65, 15256240), (76, 13048100), (80, 12395695), (95, 10438480), (100, 9916556), (104, 9535150), (130, 7628120), (152, 6524050), (190, 5219240), (200, 4958278), (208, 4767575), (247, 4014800), (260, 3814060), (304, 3262025), (325, 3051248), (380, 2609620), (400, 2479139), (475, 2087696), (494, 2007400), (520, 1907030), (650, 1525624), (760, 1304810), (950, 1043848), (988, 1003700), (1040, 953515), (1235, 802960), (1300, 762812), (1520, 652405), (1900, 521924), (1976, 501850), (2470, 401480), (2600, 381406), (3800, 260962), (3952, 250925), (4940, 200740), (5200, 190703), (6175, 160592), (7600, 130481), (9880, 100370), (10037, 98800), (12350, 80296), (19760, 50185), (20074, 49400), (24700, 40148)]