201519100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2137}}^1$

素因数の和:2215

約数の個数: 72

約数和(自身を含む): 467657568

約数和(自身を除く): 266138468

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 41, 46, 50, 82, 92, 100, 115, 164, 205, 230, 410, 460, 575, 820, 943, 1025, 1150, 1886, 2050, 2137, 2300, 3772, 4100, 4274, 4715, 8548, 9430, 10685, 18860, 21370, 23575, 42740, 47150, 49151, 53425, 87617, 94300, 98302, 106850, 175234, 196604, 213700, 245755, 350468, 438085, 491510, 876170, 983020, 1228775, 1752340, 2015191, 2190425, 2457550, 4030382, 4380850, 4915100, 8060764, 8761700, 10075955, 20151910, 40303820, 50379775, 100759550, 201519100]

約数ペア:

[(1, 201519100), (2, 100759550), (4, 50379775), (5, 40303820), (10, 20151910), (20, 10075955), (23, 8761700), (25, 8060764), (41, 4915100), (46, 4380850), (50, 4030382), (82, 2457550), (92, 2190425), (100, 2015191), (115, 1752340), (164, 1228775), (205, 983020), (230, 876170), (410, 491510), (460, 438085), (575, 350468), (820, 245755), (943, 213700), (1025, 196604), (1150, 175234), (1886, 106850), (2050, 98302), (2137, 94300), (2300, 87617), (3772, 53425), (4100, 49151), (4274, 47150), (4715, 42740), (8548, 23575), (9430, 21370), (10685, 18860)]