30745940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 68221440

約数和(自身を除く): 37475500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 751, 890, 1502, 1780, 2047, 3004, 3755, 4094, 7510, 8188, 10235, 15020, 17273, 20470, 34546, 40940, 66839, 69092, 86365, 133678, 172730, 267356, 334195, 345460, 668390, 1336780, 1537297, 3074594, 6149188, 7686485, 15372970, 30745940]

約数ペア:

[(1, 30745940), (2, 15372970), (4, 7686485), (5, 6149188), (10, 3074594), (20, 1537297), (23, 1336780), (46, 668390), (89, 345460), (92, 334195), (115, 267356), (178, 172730), (230, 133678), (356, 86365), (445, 69092), (460, 66839), (751, 40940), (890, 34546), (1502, 20470), (1780, 17273), (2047, 15020), (3004, 10235), (3755, 8188), (4094, 7510)]