181820140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{2393}}^1$

素因数の和:2562

約数の個数: 48

約数和(自身を含む): 398170080

約数和(自身を除く): 216349940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 131, 145, 262, 290, 524, 580, 655, 1310, 2393, 2620, 3799, 4786, 7598, 9572, 11965, 15196, 18995, 23930, 37990, 47860, 69397, 75980, 138794, 277588, 313483, 346985, 626966, 693970, 1253932, 1387940, 1567415, 3134830, 6269660, 9091007, 18182014, 36364028, 45455035, 90910070, 181820140]

約数ペア:

[(1, 181820140), (2, 90910070), (4, 45455035), (5, 36364028), (10, 18182014), (20, 9091007), (29, 6269660), (58, 3134830), (116, 1567415), (131, 1387940), (145, 1253932), (262, 693970), (290, 626966), (524, 346985), (580, 313483), (655, 277588), (1310, 138794), (2393, 75980), (2620, 69397), (3799, 47860), (4786, 37990), (7598, 23930), (9572, 18995), (11965, 15196)]