79804940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{397}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 184878960

約数和(自身を除く): 105074020

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 397, 437, 460, 529, 794, 874, 1058, 1588, 1748, 1985, 2116, 2185, 2645, 3970, 4370, 5290, 7543, 7940, 8740, 9131, 10051, 10580, 15086, 18262, 20102, 30172, 36524, 37715, 40204, 45655, 50255, 75430, 91310, 100510, 150860, 173489, 182620, 201020, 210013, 346978, 420026, 693956, 840052, 867445, 1050065, 1734890, 2100130, 3469780, 3990247, 4200260, 7980494, 15960988, 19951235, 39902470, 79804940]

約数ペア:

[(1, 79804940), (2, 39902470), (4, 19951235), (5, 15960988), (10, 7980494), (19, 4200260), (20, 3990247), (23, 3469780), (38, 2100130), (46, 1734890), (76, 1050065), (92, 867445), (95, 840052), (115, 693956), (190, 420026), (230, 346978), (380, 210013), (397, 201020), (437, 182620), (460, 173489), (529, 150860), (794, 100510), (874, 91310), (1058, 75430), (1588, 50255), (1748, 45655), (1985, 40204), (2116, 37715), (2185, 36524), (2645, 30172), (3970, 20102), (4370, 18262), (5290, 15086), (7543, 10580), (7940, 10051), (8740, 9131)]