28349500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 65061360

約数和(自身を除く): 36711860

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 59, 62, 100, 118, 124, 125, 155, 236, 250, 295, 310, 500, 590, 620, 775, 961, 1180, 1475, 1550, 1829, 1922, 2950, 3100, 3658, 3844, 3875, 4805, 5900, 7316, 7375, 7750, 9145, 9610, 14750, 15500, 18290, 19220, 24025, 29500, 36580, 45725, 48050, 56699, 91450, 96100, 113398, 120125, 182900, 226796, 228625, 240250, 283495, 457250, 480500, 566990, 914500, 1133980, 1417475, 2834950, 5669900, 7087375, 14174750, 28349500]

約数ペア:

[(1, 28349500), (2, 14174750), (4, 7087375), (5, 5669900), (10, 2834950), (20, 1417475), (25, 1133980), (31, 914500), (50, 566990), (59, 480500), (62, 457250), (100, 283495), (118, 240250), (124, 228625), (125, 226796), (155, 182900), (236, 120125), (250, 113398), (295, 96100), (310, 91450), (500, 56699), (590, 48050), (620, 45725), (775, 36580), (961, 29500), (1180, 24025), (1475, 19220), (1550, 18290), (1829, 15500), (1922, 14750), (2950, 9610), (3100, 9145), (3658, 7750), (3844, 7375), (3875, 7316), (4805, 5900)]