203952420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1031}}^1$

素因数の和:1210

約数の個数: 144

約数和(自身を含む): 712228608

約数和(自身を除く): 508276188

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 157, 180, 210, 252, 314, 315, 420, 471, 628, 630, 785, 942, 1031, 1099, 1260, 1413, 1570, 1884, 2062, 2198, 2355, 2826, 3093, 3140, 3297, 4124, 4396, 4710, 5155, 5495, 5652, 6186, 6594, 7065, 7217, 9279, 9420, 9891, 10310, 10990, 12372, 13188, 14130, 14434, 15465, 16485, 18558, 19782, 20620, 21651, 21980, 28260, 28868, 30930, 32970, 36085, 37116, 39564, 43302, 46395, 49455, 61860, 64953, 65940, 72170, 86604, 92790, 98910, 108255, 129906, 144340, 161867, 185580, 197820, 216510, 259812, 323734, 324765, 433020, 485601, 647468, 649530, 809335, 971202, 1133069, 1299060, 1456803, 1618670, 1942404, 2266138, 2428005, 2913606, 3237340, 3399207, 4532276, 4856010, 5665345, 5827212, 6798414, 7284015, 9712020, 10197621, 11330690, 13596828, 14568030, 16996035, 20395242, 22661380, 29136060, 33992070, 40790484, 50988105, 67984140, 101976210, 203952420]

約数ペア:

[(1, 203952420), (2, 101976210), (3, 67984140), (4, 50988105), (5, 40790484), (6, 33992070), (7, 29136060), (9, 22661380), (10, 20395242), (12, 16996035), (14, 14568030), (15, 13596828), (18, 11330690), (20, 10197621), (21, 9712020), (28, 7284015), (30, 6798414), (35, 5827212), (36, 5665345), (42, 4856010), (45, 4532276), (60, 3399207), (63, 3237340), (70, 2913606), (84, 2428005), (90, 2266138), (105, 1942404), (126, 1618670), (140, 1456803), (157, 1299060), (180, 1133069), (210, 971202), (252, 809335), (314, 649530), (315, 647468), (420, 485601), (471, 433020), (628, 324765), (630, 323734), (785, 259812), (942, 216510), (1031, 197820), (1099, 185580), (1260, 161867), (1413, 144340), (1570, 129906), (1884, 108255), (2062, 98910), (2198, 92790), (2355, 86604), (2826, 72170), (3093, 65940), (3140, 64953), (3297, 61860), (4124, 49455), (4396, 46395), (4710, 43302), (5155, 39564), (5495, 37116), (5652, 36085), (6186, 32970), (6594, 30930), (7065, 28868), (7217, 28260), (9279, 21980), (9420, 21651), (9891, 20620), (10310, 19782), (10990, 18558), (12372, 16485), (13188, 15465), (14130, 14434)]