991421410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:932

約数の個数: 96

約数和(自身を含む): 2164080240

約数和(自身を除く): 1172658830

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 61, 70, 82, 98, 122, 205, 245, 287, 305, 410, 427, 490, 574, 610, 809, 854, 1435, 1618, 2009, 2135, 2501, 2870, 2989, 4018, 4045, 4270, 5002, 5663, 5978, 8090, 10045, 11326, 12505, 14945, 17507, 20090, 25010, 28315, 29890, 33169, 35014, 39641, 49349, 56630, 66338, 79282, 87535, 98698, 122549, 165845, 175070, 198205, 232183, 245098, 246745, 331690, 345443, 396410, 464366, 493490, 612745, 690886, 1160915, 1225490, 1625281, 1727215, 2023309, 2321830, 2418101, 3250562, 3454430, 4046618, 4836202, 8126405, 10116545, 12090505, 14163163, 16252810, 20233090, 24181010, 28326326, 70815815, 99142141, 141631630, 198284282, 495710705, 991421410]

約数ペア:

[(1, 991421410), (2, 495710705), (5, 198284282), (7, 141631630), (10, 99142141), (14, 70815815), (35, 28326326), (41, 24181010), (49, 20233090), (61, 16252810), (70, 14163163), (82, 12090505), (98, 10116545), (122, 8126405), (205, 4836202), (245, 4046618), (287, 3454430), (305, 3250562), (410, 2418101), (427, 2321830), (490, 2023309), (574, 1727215), (610, 1625281), (809, 1225490), (854, 1160915), (1435, 690886), (1618, 612745), (2009, 493490), (2135, 464366), (2501, 396410), (2870, 345443), (2989, 331690), (4018, 246745), (4045, 245098), (4270, 232183), (5002, 198205), (5663, 175070), (5978, 165845), (8090, 122549), (10045, 98698), (11326, 87535), (12505, 79282), (14945, 66338), (17507, 56630), (20090, 49349), (25010, 39641), (28315, 35014), (29890, 33169)]