628792270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 1221350400

約数和(自身を除く): 592558130

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 227, 239, 305, 454, 478, 610, 1135, 1159, 1195, 2270, 2318, 2390, 4313, 4541, 5795, 8626, 9082, 11590, 13847, 14579, 21565, 22705, 27694, 29158, 43130, 45410, 54253, 69235, 72895, 108506, 138470, 145790, 263093, 271265, 277001, 526186, 542530, 554002, 1030807, 1315465, 1385005, 2061614, 2630930, 2770010, 3309433, 5154035, 6618866, 10308070, 16547165, 33094330, 62879227, 125758454, 314396135, 628792270]

約数ペア:

[(1, 628792270), (2, 314396135), (5, 125758454), (10, 62879227), (19, 33094330), (38, 16547165), (61, 10308070), (95, 6618866), (122, 5154035), (190, 3309433), (227, 2770010), (239, 2630930), (305, 2061614), (454, 1385005), (478, 1315465), (610, 1030807), (1135, 554002), (1159, 542530), (1195, 526186), (2270, 277001), (2318, 271265), (2390, 263093), (4313, 145790), (4541, 138470), (5795, 108506), (8626, 72895), (9082, 69235), (11590, 54253), (13847, 45410), (14579, 43130), (21565, 29158), (22705, 27694)]