17988900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{983}}^1$

素因数の和:1061

約数の個数: 72

約数和(自身を含む): 52954944

約数和(自身を除く): 34966044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 61, 75, 100, 122, 150, 183, 244, 300, 305, 366, 610, 732, 915, 983, 1220, 1525, 1830, 1966, 2949, 3050, 3660, 3932, 4575, 4915, 5898, 6100, 9150, 9830, 11796, 14745, 18300, 19660, 24575, 29490, 49150, 58980, 59963, 73725, 98300, 119926, 147450, 179889, 239852, 294900, 299815, 359778, 599630, 719556, 899445, 1199260, 1499075, 1798890, 2998150, 3597780, 4497225, 5996300, 8994450, 17988900]

約数ペア:

[(1, 17988900), (2, 8994450), (3, 5996300), (4, 4497225), (5, 3597780), (6, 2998150), (10, 1798890), (12, 1499075), (15, 1199260), (20, 899445), (25, 719556), (30, 599630), (50, 359778), (60, 299815), (61, 294900), (75, 239852), (100, 179889), (122, 147450), (150, 119926), (183, 98300), (244, 73725), (300, 59963), (305, 58980), (366, 49150), (610, 29490), (732, 24575), (915, 19660), (983, 18300), (1220, 14745), (1525, 11796), (1830, 9830), (1966, 9150), (2949, 6100), (3050, 5898), (3660, 4915), (3932, 4575)]