203497980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3643}}^1$

素因数の和:3688

約数の個数: 144

約数和(自身を含む): 697898880

約数和(自身を除く): 494400900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3643, 3724, 3990, 4655, 5586, 7286, 7980, 9310, 10929, 11172, 13965, 14572, 18215, 18620, 21858, 25501, 27930, 36430, 43716, 51002, 54645, 55860, 69217, 72860, 76503, 102004, 109290, 127505, 138434, 153006, 178507, 207651, 218580, 255010, 276868, 306012, 346085, 357014, 382515, 415302, 484519, 510020, 535521, 692170, 714028, 765030, 830604, 892535, 969038, 1038255, 1071042, 1384340, 1453557, 1530060, 1785070, 1938076, 2076510, 2142084, 2422595, 2677605, 2907114, 3391633, 3570140, 4153020, 4845190, 5355210, 5814228, 6783266, 7267785, 9690380, 10174899, 10710420, 13566532, 14535570, 16958165, 20349798, 29071140, 33916330, 40699596, 50874495, 67832660, 101748990, 203497980]

約数ペア:

[(1, 203497980), (2, 101748990), (3, 67832660), (4, 50874495), (5, 40699596), (6, 33916330), (7, 29071140), (10, 20349798), (12, 16958165), (14, 14535570), (15, 13566532), (19, 10710420), (20, 10174899), (21, 9690380), (28, 7267785), (30, 6783266), (35, 5814228), (38, 5355210), (42, 4845190), (49, 4153020), (57, 3570140), (60, 3391633), (70, 2907114), (76, 2677605), (84, 2422595), (95, 2142084), (98, 2076510), (105, 1938076), (114, 1785070), (133, 1530060), (140, 1453557), (147, 1384340), (190, 1071042), (196, 1038255), (210, 969038), (228, 892535), (245, 830604), (266, 765030), (285, 714028), (294, 692170), (380, 535521), (399, 510020), (420, 484519), (490, 415302), (532, 382515), (570, 357014), (588, 346085), (665, 306012), (735, 276868), (798, 255010), (931, 218580), (980, 207651), (1140, 178507), (1330, 153006), (1470, 138434), (1596, 127505), (1862, 109290), (1995, 102004), (2660, 76503), (2793, 72860), (2940, 69217), (3643, 55860), (3724, 54645), (3990, 51002), (4655, 43716), (5586, 36430), (7286, 27930), (7980, 25501), (9310, 21858), (10929, 18620), (11172, 18215), (13965, 14572)]