391702960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7297}}^1$

素因数の和:7382

約数の個数: 80

約数和(自身を含む): 1009926432

約数和(自身を除く): 618223472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 244, 305, 440, 488, 610, 671, 880, 976, 1220, 1342, 2440, 2684, 3355, 4880, 5368, 6710, 7297, 10736, 13420, 14594, 26840, 29188, 36485, 53680, 58376, 72970, 80267, 116752, 145940, 160534, 291880, 321068, 401335, 445117, 583760, 642136, 802670, 890234, 1284272, 1605340, 1780468, 2225585, 3210680, 3560936, 4451170, 4896287, 6421360, 7121872, 8902340, 9792574, 17804680, 19585148, 24481435, 35609360, 39170296, 48962870, 78340592, 97925740, 195851480, 391702960]

約数ペア:

[(1, 391702960), (2, 195851480), (4, 97925740), (5, 78340592), (8, 48962870), (10, 39170296), (11, 35609360), (16, 24481435), (20, 19585148), (22, 17804680), (40, 9792574), (44, 8902340), (55, 7121872), (61, 6421360), (80, 4896287), (88, 4451170), (110, 3560936), (122, 3210680), (176, 2225585), (220, 1780468), (244, 1605340), (305, 1284272), (440, 890234), (488, 802670), (610, 642136), (671, 583760), (880, 445117), (976, 401335), (1220, 321068), (1342, 291880), (2440, 160534), (2684, 145940), (3355, 116752), (4880, 80267), (5368, 72970), (6710, 58376), (7297, 53680), (10736, 36485), (13420, 29188), (14594, 26840)]