212740290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3631}}^1$

素因数の和:3685

約数の個数: 128

約数和(自身を含む): 669450240

約数和(自身を除く): 456709950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 378, 434, 465, 558, 630, 651, 837, 930, 945, 1085, 1302, 1395, 1674, 1890, 1953, 2170, 2790, 3255, 3631, 3906, 4185, 5859, 6510, 7262, 8370, 9765, 10893, 11718, 18155, 19530, 21786, 25417, 29295, 32679, 36310, 50834, 54465, 58590, 65358, 76251, 98037, 108930, 112561, 127085, 152502, 163395, 196074, 225122, 228753, 254170, 326790, 337683, 381255, 457506, 490185, 562805, 675366, 686259, 762510, 787927, 980370, 1013049, 1125610, 1143765, 1372518, 1575854, 1688415, 2026098, 2287530, 2363781, 3039147, 3376830, 3431295, 3939635, 4727562, 5065245, 6078294, 6862590, 7091343, 7879270, 10130490, 11818905, 14182686, 15195735, 21274029, 23637810, 30391470, 35456715, 42548058, 70913430, 106370145, 212740290]

約数ペア:

[(1, 212740290), (2, 106370145), (3, 70913430), (5, 42548058), (6, 35456715), (7, 30391470), (9, 23637810), (10, 21274029), (14, 15195735), (15, 14182686), (18, 11818905), (21, 10130490), (27, 7879270), (30, 7091343), (31, 6862590), (35, 6078294), (42, 5065245), (45, 4727562), (54, 3939635), (62, 3431295), (63, 3376830), (70, 3039147), (90, 2363781), (93, 2287530), (105, 2026098), (126, 1688415), (135, 1575854), (155, 1372518), (186, 1143765), (189, 1125610), (210, 1013049), (217, 980370), (270, 787927), (279, 762510), (310, 686259), (315, 675366), (378, 562805), (434, 490185), (465, 457506), (558, 381255), (630, 337683), (651, 326790), (837, 254170), (930, 228753), (945, 225122), (1085, 196074), (1302, 163395), (1395, 152502), (1674, 127085), (1890, 112561), (1953, 108930), (2170, 98037), (2790, 76251), (3255, 65358), (3631, 58590), (3906, 54465), (4185, 50834), (5859, 36310), (6510, 32679), (7262, 29295), (8370, 25417), (9765, 21786), (10893, 19530), (11718, 18155)]