305246970

素因数分解:

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

素因数の和:3689

約数の個数: 144

約数和(自身を含む): 972073440

約数和(自身を除く): 666826470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 49, 57, 63, 70, 90, 95, 98, 105, 114, 126, 133, 147, 171, 190, 210, 245, 266, 285, 294, 315, 342, 399, 441, 490, 570, 630, 665, 735, 798, 855, 882, 931, 1197, 1330, 1470, 1710, 1862, 1995, 2205, 2394, 2793, 3643, 3990, 4410, 4655, 5586, 5985, 7286, 8379, 9310, 10929, 11970, 13965, 16758, 18215, 21858, 25501, 27930, 32787, 36430, 41895, 51002, 54645, 65574, 69217, 76503, 83790, 109290, 127505, 138434, 153006, 163935, 178507, 207651, 229509, 255010, 327870, 346085, 357014, 382515, 415302, 459018, 484519, 535521, 622953, 692170, 765030, 892535, 969038, 1038255, 1071042, 1147545, 1245906, 1453557, 1606563, 1785070, 2076510, 2295090, 2422595, 2677605, 2907114, 3114765, 3213126, 3391633, 4360671, 4845190, 5355210, 6229530, 6783266, 7267785, 8032815, 8721342, 10174899, 14535570, 16065630, 16958165, 20349798, 21803355, 30524697, 33916330, 43606710, 50874495, 61049394, 101748990, 152623485, 305246970]

約数ペア:

[(1, 305246970), (2, 152623485), (3, 101748990), (5, 61049394), (6, 50874495), (7, 43606710), (9, 33916330), (10, 30524697), (14, 21803355), (15, 20349798), (18, 16958165), (19, 16065630), (21, 14535570), (30, 10174899), (35, 8721342), (38, 8032815), (42, 7267785), (45, 6783266), (49, 6229530), (57, 5355210), (63, 4845190), (70, 4360671), (90, 3391633), (95, 3213126), (98, 3114765), (105, 2907114), (114, 2677605), (126, 2422595), (133, 2295090), (147, 2076510), (171, 1785070), (190, 1606563), (210, 1453557), (245, 1245906), (266, 1147545), (285, 1071042), (294, 1038255), (315, 969038), (342, 892535), (399, 765030), (441, 692170), (490, 622953), (570, 535521), (630, 484519), (665, 459018), (735, 415302), (798, 382515), (855, 357014), (882, 346085), (931, 327870), (1197, 255010), (1330, 229509), (1470, 207651), (1710, 178507), (1862, 163935), (1995, 153006), (2205, 138434), (2394, 127505), (2793, 109290), (3643, 83790), (3990, 76503), (4410, 69217), (4655, 65574), (5586, 54645), (5985, 51002), (7286, 41895), (8379, 36430), (9310, 32787), (10929, 27930), (11970, 25501), (13965, 21858), (16758, 18215)]