988397575

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{593}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 1469437200

約数和(自身を除く): 481039625

約数列:

[1, 5, 11, 19, 25, 29, 55, 95, 121, 145, 209, 275, 319, 475, 551, 593, 605, 725, 1045, 1595, 2299, 2755, 2965, 3025, 3509, 5225, 6061, 6523, 7975, 11267, 11495, 13775, 14825, 17197, 17545, 30305, 32615, 56335, 57475, 66671, 71753, 85985, 87725, 123937, 151525, 163075, 189167, 281675, 326743, 333355, 358765, 429925, 619685, 945835, 1363307, 1633715, 1666775, 1793825, 2080837, 3098425, 3594173, 4729175, 6816535, 8168575, 10404185, 17970865, 34082675, 39535903, 52020925, 89854325, 197679515, 988397575]

約数ペア:

[(1, 988397575), (5, 197679515), (11, 89854325), (19, 52020925), (25, 39535903), (29, 34082675), (55, 17970865), (95, 10404185), (121, 8168575), (145, 6816535), (209, 4729175), (275, 3594173), (319, 3098425), (475, 2080837), (551, 1793825), (593, 1666775), (605, 1633715), (725, 1363307), (1045, 945835), (1595, 619685), (2299, 429925), (2755, 358765), (2965, 333355), (3025, 326743), (3509, 281675), (5225, 189167), (6061, 163075), (6523, 151525), (7975, 123937), (11267, 87725), (11495, 85985), (13775, 71753), (14825, 66671), (17197, 57475), (17545, 56335), (30305, 32615)]