644544448

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:294

約数の個数: 112

約数和(自身を含む): 1400677920

約数和(自身を除く): 756133472

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 53, 64, 73, 76, 106, 137, 146, 152, 212, 274, 292, 304, 424, 548, 584, 608, 848, 1007, 1096, 1168, 1216, 1387, 1696, 2014, 2192, 2336, 2603, 2774, 3392, 3869, 4028, 4384, 4672, 5206, 5548, 7261, 7738, 8056, 8768, 10001, 10412, 11096, 14522, 15476, 16112, 20002, 20824, 22192, 29044, 30952, 32224, 40004, 41648, 44384, 58088, 61904, 64448, 73511, 80008, 83296, 88768, 116176, 123808, 137959, 147022, 160016, 166592, 190019, 232352, 247616, 275918, 294044, 320032, 380038, 464704, 530053, 551836, 588088, 640064, 760076, 1060106, 1103672, 1176176, 1520152, 2120212, 2207344, 2352352, 3040304, 4240424, 4414688, 4704704, 6080608, 8480848, 8829376, 10071007, 12161216, 16961696, 20142014, 33923392, 40284028, 80568056, 161136112, 322272224, 644544448]

約数ペア:

[(1, 644544448), (2, 322272224), (4, 161136112), (8, 80568056), (16, 40284028), (19, 33923392), (32, 20142014), (38, 16961696), (53, 12161216), (64, 10071007), (73, 8829376), (76, 8480848), (106, 6080608), (137, 4704704), (146, 4414688), (152, 4240424), (212, 3040304), (274, 2352352), (292, 2207344), (304, 2120212), (424, 1520152), (548, 1176176), (584, 1103672), (608, 1060106), (848, 760076), (1007, 640064), (1096, 588088), (1168, 551836), (1216, 530053), (1387, 464704), (1696, 380038), (2014, 320032), (2192, 294044), (2336, 275918), (2603, 247616), (2774, 232352), (3392, 190019), (3869, 166592), (4028, 160016), (4384, 147022), (4672, 137959), (5206, 123808), (5548, 116176), (7261, 88768), (7738, 83296), (8056, 80008), (8768, 73511), (10001, 64448), (10412, 61904), (11096, 58088), (14522, 44384), (15476, 41648), (16112, 40004), (20002, 32224), (20824, 30952), (22192, 29044)]