209356020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2207}}^1$

素因数の和:2270

約数の個数: 144

約数和(自身を含む): 694407168

約数和(自身を除く): 485051148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 558, 612, 620, 765, 930, 1020, 1054, 1116, 1395, 1530, 1581, 1860, 2108, 2207, 2635, 2790, 3060, 3162, 4414, 4743, 5270, 5580, 6324, 6621, 7905, 8828, 9486, 10540, 11035, 13242, 15810, 18972, 19863, 22070, 23715, 26484, 31620, 33105, 37519, 39726, 44140, 47430, 66210, 68417, 75038, 79452, 94860, 99315, 112557, 132420, 136834, 150076, 187595, 198630, 205251, 225114, 273668, 337671, 342085, 375190, 397260, 410502, 450228, 562785, 615753, 675342, 684170, 750380, 821004, 1026255, 1125570, 1163089, 1231506, 1350684, 1368340, 1688355, 2052510, 2251140, 2326178, 2463012, 3078765, 3376710, 3489267, 4105020, 4652356, 5815445, 6157530, 6753420, 6978534, 10467801, 11630890, 12315060, 13957068, 17446335, 20935602, 23261780, 34892670, 41871204, 52339005, 69785340, 104678010, 209356020]

約数ペア:

[(1, 209356020), (2, 104678010), (3, 69785340), (4, 52339005), (5, 41871204), (6, 34892670), (9, 23261780), (10, 20935602), (12, 17446335), (15, 13957068), (17, 12315060), (18, 11630890), (20, 10467801), (30, 6978534), (31, 6753420), (34, 6157530), (36, 5815445), (45, 4652356), (51, 4105020), (60, 3489267), (62, 3376710), (68, 3078765), (85, 2463012), (90, 2326178), (93, 2251140), (102, 2052510), (124, 1688355), (153, 1368340), (155, 1350684), (170, 1231506), (180, 1163089), (186, 1125570), (204, 1026255), (255, 821004), (279, 750380), (306, 684170), (310, 675342), (340, 615753), (372, 562785), (465, 450228), (510, 410502), (527, 397260), (558, 375190), (612, 342085), (620, 337671), (765, 273668), (930, 225114), (1020, 205251), (1054, 198630), (1116, 187595), (1395, 150076), (1530, 136834), (1581, 132420), (1860, 112557), (2108, 99315), (2207, 94860), (2635, 79452), (2790, 75038), (3060, 68417), (3162, 66210), (4414, 47430), (4743, 44140), (5270, 39726), (5580, 37519), (6324, 33105), (6621, 31620), (7905, 26484), (8828, 23715), (9486, 22070), (10540, 19863), (11035, 18972), (13242, 15810)]