248715700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1657}}^1$

素因数の和:1769

約数の個数: 72

約数和(自身を含む): 575657600

約数和(自身を除く): 326941900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 79, 95, 100, 158, 190, 316, 380, 395, 475, 790, 950, 1501, 1580, 1657, 1900, 1975, 3002, 3314, 3950, 6004, 6628, 7505, 7900, 8285, 15010, 16570, 30020, 31483, 33140, 37525, 41425, 62966, 75050, 82850, 125932, 130903, 150100, 157415, 165700, 261806, 314830, 523612, 629660, 654515, 787075, 1309030, 1574150, 2487157, 2618060, 3148300, 3272575, 4974314, 6545150, 9948628, 12435785, 13090300, 24871570, 49743140, 62178925, 124357850, 248715700]

約数ペア:

[(1, 248715700), (2, 124357850), (4, 62178925), (5, 49743140), (10, 24871570), (19, 13090300), (20, 12435785), (25, 9948628), (38, 6545150), (50, 4974314), (76, 3272575), (79, 3148300), (95, 2618060), (100, 2487157), (158, 1574150), (190, 1309030), (316, 787075), (380, 654515), (395, 629660), (475, 523612), (790, 314830), (950, 261806), (1501, 165700), (1580, 157415), (1657, 150100), (1900, 130903), (1975, 125932), (3002, 82850), (3314, 75050), (3950, 62966), (6004, 41425), (6628, 37525), (7505, 33140), (7900, 31483), (8285, 30020), (15010, 16570)]