240865938

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 561375360

約数和(自身を除く): 320509422

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 67, 71, 87, 97, 134, 142, 174, 194, 201, 213, 261, 291, 402, 426, 522, 582, 603, 639, 873, 1206, 1278, 1746, 1943, 2059, 2813, 3886, 4118, 4757, 5626, 5829, 6177, 6499, 6887, 8439, 9514, 11658, 12354, 12998, 13774, 14271, 16878, 17487, 18531, 19497, 20661, 25317, 28542, 34974, 37062, 38994, 41322, 42813, 50634, 58491, 61983, 85626, 116982, 123966, 137953, 188471, 199723, 275906, 376942, 399446, 413859, 461429, 565413, 599169, 827718, 922858, 1130826, 1198338, 1241577, 1384287, 1696239, 1797507, 2483154, 2768574, 3392478, 3595014, 4152861, 8305722, 13381441, 26762882, 40144323, 80288646, 120432969, 240865938]

約数ペア:

[(1, 240865938), (2, 120432969), (3, 80288646), (6, 40144323), (9, 26762882), (18, 13381441), (29, 8305722), (58, 4152861), (67, 3595014), (71, 3392478), (87, 2768574), (97, 2483154), (134, 1797507), (142, 1696239), (174, 1384287), (194, 1241577), (201, 1198338), (213, 1130826), (261, 922858), (291, 827718), (402, 599169), (426, 565413), (522, 461429), (582, 413859), (603, 399446), (639, 376942), (873, 275906), (1206, 199723), (1278, 188471), (1746, 137953), (1943, 123966), (2059, 116982), (2813, 85626), (3886, 61983), (4118, 58491), (4757, 50634), (5626, 42813), (5829, 41322), (6177, 38994), (6499, 37062), (6887, 34974), (8439, 28542), (9514, 25317), (11658, 20661), (12354, 19497), (12998, 18531), (13774, 17487), (14271, 16878)]