155940250

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 306128160

約数和(自身を除く): 150187910

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 137, 145, 157, 250, 274, 290, 314, 685, 725, 785, 1370, 1450, 1570, 3425, 3625, 3925, 3973, 4553, 6850, 7250, 7850, 7946, 9106, 17125, 19625, 19865, 21509, 22765, 34250, 39250, 39730, 43018, 45530, 99325, 107545, 113825, 198650, 215090, 227650, 496625, 537725, 569125, 623761, 993250, 1075450, 1138250, 1247522, 2688625, 3118805, 5377250, 6237610, 15594025, 31188050, 77970125, 155940250]

約数ペア:

[(1, 155940250), (2, 77970125), (5, 31188050), (10, 15594025), (25, 6237610), (29, 5377250), (50, 3118805), (58, 2688625), (125, 1247522), (137, 1138250), (145, 1075450), (157, 993250), (250, 623761), (274, 569125), (290, 537725), (314, 496625), (685, 227650), (725, 215090), (785, 198650), (1370, 113825), (1450, 107545), (1570, 99325), (3425, 45530), (3625, 43018), (3925, 39730), (3973, 39250), (4553, 34250), (6850, 22765), (7250, 21509), (7850, 19865), (7946, 19625), (9106, 17125)]