198904020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1181}}^1$

素因数の和:1601

約数の個数: 96

約数和(自身を含む): 638620416

約数和(自身を除く): 439716396

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, 401, 420, 802, 1181, 1203, 1604, 2005, 2362, 2406, 2807, 3543, 4010, 4724, 4812, 5614, 5905, 6015, 7086, 8020, 8267, 8421, 11228, 11810, 12030, 14035, 14172, 16534, 16842, 17715, 23620, 24060, 24801, 28070, 33068, 33684, 35430, 41335, 42105, 49602, 56140, 70860, 82670, 84210, 99204, 124005, 165340, 168420, 248010, 473581, 496020, 947162, 1420743, 1894324, 2367905, 2841486, 3315067, 4735810, 5682972, 6630134, 7103715, 9471620, 9945201, 13260268, 14207430, 16575335, 19890402, 28414860, 33150670, 39780804, 49726005, 66301340, 99452010, 198904020]

約数ペア:

[(1, 198904020), (2, 99452010), (3, 66301340), (4, 49726005), (5, 39780804), (6, 33150670), (7, 28414860), (10, 19890402), (12, 16575335), (14, 14207430), (15, 13260268), (20, 9945201), (21, 9471620), (28, 7103715), (30, 6630134), (35, 5682972), (42, 4735810), (60, 3315067), (70, 2841486), (84, 2367905), (105, 1894324), (140, 1420743), (210, 947162), (401, 496020), (420, 473581), (802, 248010), (1181, 168420), (1203, 165340), (1604, 124005), (2005, 99204), (2362, 84210), (2406, 82670), (2807, 70860), (3543, 56140), (4010, 49602), (4724, 42105), (4812, 41335), (5614, 35430), (5905, 33684), (6015, 33068), (7086, 28070), (8020, 24801), (8267, 24060), (8421, 23620), (11228, 17715), (11810, 16842), (12030, 16534), (14035, 14172)]