393602580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{312383}}^1$

素因数の和:312405

約数の個数: 72

約数和(自身を含む): 1364493312

約数和(自身を除く): 970890732

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 312383, 624766, 937149, 1249532, 1561915, 1874298, 2186681, 2811447, 3123830, 3748596, 4373362, 4685745, 5622894, 6247660, 6560043, 8746724, 9371490, 10933405, 11245788, 13120086, 14057235, 18742980, 19680129, 21866810, 26240172, 28114470, 32800215, 39360258, 43733620, 56228940, 65600430, 78720516, 98400645, 131200860, 196801290, 393602580]

約数ペア:

[(1, 393602580), (2, 196801290), (3, 131200860), (4, 98400645), (5, 78720516), (6, 65600430), (7, 56228940), (9, 43733620), (10, 39360258), (12, 32800215), (14, 28114470), (15, 26240172), (18, 21866810), (20, 19680129), (21, 18742980), (28, 14057235), (30, 13120086), (35, 11245788), (36, 10933405), (42, 9371490), (45, 8746724), (60, 6560043), (63, 6247660), (70, 5622894), (84, 4685745), (90, 4373362), (105, 3748596), (126, 3123830), (140, 2811447), (180, 2186681), (210, 1874298), (252, 1561915), (315, 1249532), (420, 937149), (630, 624766), (1260, 312383)]