1780147100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{24967}}^1$

素因数の和:25035

約数の個数: 72

約数和(自身を含む): 4161067008

約数和(自身を除く): 2380919908

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 31, 46, 50, 62, 92, 100, 115, 124, 155, 230, 310, 460, 575, 620, 713, 775, 1150, 1426, 1550, 2300, 2852, 3100, 3565, 7130, 14260, 17825, 24967, 35650, 49934, 71300, 99868, 124835, 249670, 499340, 574241, 624175, 773977, 1148482, 1248350, 1547954, 2296964, 2496700, 2871205, 3095908, 3869885, 5742410, 7739770, 11484820, 14356025, 15479540, 17801471, 19349425, 28712050, 35602942, 38698850, 57424100, 71205884, 77397700, 89007355, 178014710, 356029420, 445036775, 890073550, 1780147100]

約数ペア:

[(1, 1780147100), (2, 890073550), (4, 445036775), (5, 356029420), (10, 178014710), (20, 89007355), (23, 77397700), (25, 71205884), (31, 57424100), (46, 38698850), (50, 35602942), (62, 28712050), (92, 19349425), (100, 17801471), (115, 15479540), (124, 14356025), (155, 11484820), (230, 7739770), (310, 5742410), (460, 3869885), (575, 3095908), (620, 2871205), (713, 2496700), (775, 2296964), (1150, 1547954), (1426, 1248350), (1550, 1148482), (2300, 773977), (2852, 624175), (3100, 574241), (3565, 499340), (7130, 249670), (14260, 124835), (17825, 99868), (24967, 71300), (35650, 49934)]