205384072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1303}}^1$

素因数の和:1406

約数の個数: 64

約数和(自身を含む): 436579200

約数和(自身を除く): 231195128

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 61, 68, 76, 122, 136, 152, 244, 323, 488, 646, 1037, 1159, 1292, 1303, 2074, 2318, 2584, 2606, 4148, 4636, 5212, 8296, 9272, 10424, 19703, 22151, 24757, 39406, 44302, 49514, 78812, 79483, 88604, 99028, 157624, 158966, 177208, 198056, 317932, 420869, 635864, 841738, 1351211, 1510177, 1683476, 2702422, 3020354, 3366952, 5404844, 6040708, 10809688, 12081416, 25673009, 51346018, 102692036, 205384072]

約数ペア:

[(1, 205384072), (2, 102692036), (4, 51346018), (8, 25673009), (17, 12081416), (19, 10809688), (34, 6040708), (38, 5404844), (61, 3366952), (68, 3020354), (76, 2702422), (122, 1683476), (136, 1510177), (152, 1351211), (244, 841738), (323, 635864), (488, 420869), (646, 317932), (1037, 198056), (1159, 177208), (1292, 158966), (1303, 157624), (2074, 99028), (2318, 88604), (2584, 79483), (2606, 78812), (4148, 49514), (4636, 44302), (5212, 39406), (8296, 24757), (9272, 22151), (10424, 19703)]