304898740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^2\times {\mathrm{241}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 692107416

約数和(自身を除く): 387208676

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 241, 244, 305, 340, 482, 610, 964, 1037, 1205, 1220, 2074, 2410, 3721, 4097, 4148, 4820, 5185, 7442, 8194, 10370, 14701, 14884, 16388, 18605, 20485, 20740, 29402, 37210, 40970, 58804, 63257, 73505, 74420, 81940, 126514, 147010, 249917, 253028, 294020, 316285, 499834, 632570, 896761, 999668, 1249585, 1265140, 1793522, 2499170, 3587044, 4483805, 4998340, 8967610, 15244937, 17935220, 30489874, 60979748, 76224685, 152449370, 304898740]

約数ペア:

[(1, 304898740), (2, 152449370), (4, 76224685), (5, 60979748), (10, 30489874), (17, 17935220), (20, 15244937), (34, 8967610), (61, 4998340), (68, 4483805), (85, 3587044), (122, 2499170), (170, 1793522), (241, 1265140), (244, 1249585), (305, 999668), (340, 896761), (482, 632570), (610, 499834), (964, 316285), (1037, 294020), (1205, 253028), (1220, 249917), (2074, 147010), (2410, 126514), (3721, 81940), (4097, 74420), (4148, 73505), (4820, 63257), (5185, 58804), (7442, 40970), (8194, 37210), (10370, 29402), (14701, 20740), (14884, 20485), (16388, 18605)]