100380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 322560

約数和(自身を除く): 222180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 239, 420, 478, 717, 956, 1195, 1434, 1673, 2390, 2868, 3346, 3585, 4780, 5019, 6692, 7170, 8365, 10038, 14340, 16730, 20076, 25095, 33460, 50190, 100380]

約数ペア:

[(1, 100380), (2, 50190), (3, 33460), (4, 25095), (5, 20076), (6, 16730), (7, 14340), (10, 10038), (12, 8365), (14, 7170), (15, 6692), (20, 5019), (21, 4780), (28, 3585), (30, 3346), (35, 2868), (42, 2390), (60, 1673), (70, 1434), (84, 1195), (105, 956), (140, 717), (210, 478), (239, 420)]