404879940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{23189}}^1$

素因数の和:23301

約数の個数: 72

約数和(自身を含む): 1240850520

約数和(自身を除く): 835970580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 5820, 8730, 17460, 23189, 46378, 69567, 92756, 115945, 139134, 208701, 231890, 278268, 347835, 417402, 463780, 695670, 834804, 1043505, 1391340, 2087010, 2249333, 4174020, 4498666, 6747999, 8997332, 11246665, 13495998, 20243997, 22493330, 26991996, 33739995, 40487994, 44986660, 67479990, 80975988, 101219985, 134959980, 202439970, 404879940]

約数ペア:

[(1, 404879940), (2, 202439970), (3, 134959980), (4, 101219985), (5, 80975988), (6, 67479990), (9, 44986660), (10, 40487994), (12, 33739995), (15, 26991996), (18, 22493330), (20, 20243997), (30, 13495998), (36, 11246665), (45, 8997332), (60, 6747999), (90, 4498666), (97, 4174020), (180, 2249333), (194, 2087010), (291, 1391340), (388, 1043505), (485, 834804), (582, 695670), (873, 463780), (970, 417402), (1164, 347835), (1455, 278268), (1746, 231890), (1940, 208701), (2910, 139134), (3492, 115945), (4365, 92756), (5820, 69567), (8730, 46378), (17460, 23189)]