28988300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 108

約数和(自身を含む): 73417176

約数和(自身を除く): 44428876

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 73, 76, 95, 100, 110, 146, 190, 209, 220, 275, 292, 361, 365, 380, 418, 475, 550, 722, 730, 803, 836, 950, 1045, 1100, 1387, 1444, 1460, 1606, 1805, 1825, 1900, 2090, 2774, 3212, 3610, 3650, 3971, 4015, 4180, 5225, 5548, 6935, 7220, 7300, 7942, 8030, 9025, 10450, 13870, 15257, 15884, 16060, 18050, 19855, 20075, 20900, 26353, 27740, 30514, 34675, 36100, 39710, 40150, 52706, 61028, 69350, 76285, 79420, 80300, 99275, 105412, 131765, 138700, 152570, 198550, 263530, 289883, 305140, 381425, 397100, 527060, 579766, 658825, 762850, 1159532, 1317650, 1449415, 1525700, 2635300, 2898830, 5797660, 7247075, 14494150, 28988300]

約数ペア:

[(1, 28988300), (2, 14494150), (4, 7247075), (5, 5797660), (10, 2898830), (11, 2635300), (19, 1525700), (20, 1449415), (22, 1317650), (25, 1159532), (38, 762850), (44, 658825), (50, 579766), (55, 527060), (73, 397100), (76, 381425), (95, 305140), (100, 289883), (110, 263530), (146, 198550), (190, 152570), (209, 138700), (220, 131765), (275, 105412), (292, 99275), (361, 80300), (365, 79420), (380, 76285), (418, 69350), (475, 61028), (550, 52706), (722, 40150), (730, 39710), (803, 36100), (836, 34675), (950, 30514), (1045, 27740), (1100, 26353), (1387, 20900), (1444, 20075), (1460, 19855), (1606, 18050), (1805, 16060), (1825, 15884), (1900, 15257), (2090, 13870), (2774, 10450), (3212, 9025), (3610, 8030), (3650, 7942), (3971, 7300), (4015, 7220), (4180, 6935), (5225, 5548)]