28837900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3169}}^1$

素因数の和:3203

約数の個数: 72

約数和(自身を含む): 77043680

約数和(自身を除く): 48205780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 3169, 4550, 6338, 9100, 12676, 15845, 22183, 31690, 41197, 44366, 63380, 79225, 82394, 88732, 110915, 158450, 164788, 205985, 221830, 288379, 316900, 411970, 443660, 554575, 576758, 823940, 1029925, 1109150, 1153516, 1441895, 2059850, 2218300, 2883790, 4119700, 5767580, 7209475, 14418950, 28837900]

約数ペア:

[(1, 28837900), (2, 14418950), (4, 7209475), (5, 5767580), (7, 4119700), (10, 2883790), (13, 2218300), (14, 2059850), (20, 1441895), (25, 1153516), (26, 1109150), (28, 1029925), (35, 823940), (50, 576758), (52, 554575), (65, 443660), (70, 411970), (91, 316900), (100, 288379), (130, 221830), (140, 205985), (175, 164788), (182, 158450), (260, 110915), (325, 88732), (350, 82394), (364, 79225), (455, 63380), (650, 44366), (700, 41197), (910, 31690), (1300, 22183), (1820, 15845), (2275, 12676), (3169, 9100), (4550, 6338)]