201655000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1358

約数の個数: 80

約数和(自身を含む): 488093760

約数和(自身を除く): 286438760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 625, 775, 1000, 1240, 1250, 1301, 1550, 2500, 2602, 3100, 3875, 5000, 5204, 6200, 6505, 7750, 10408, 13010, 15500, 19375, 26020, 31000, 32525, 38750, 40331, 52040, 65050, 77500, 80662, 130100, 155000, 161324, 162625, 201655, 260200, 322648, 325250, 403310, 650500, 806620, 813125, 1008275, 1301000, 1613240, 1626250, 2016550, 3252500, 4033100, 5041375, 6505000, 8066200, 10082750, 20165500, 25206875, 40331000, 50413750, 100827500, 201655000]

約数ペア:

[(1, 201655000), (2, 100827500), (4, 50413750), (5, 40331000), (8, 25206875), (10, 20165500), (20, 10082750), (25, 8066200), (31, 6505000), (40, 5041375), (50, 4033100), (62, 3252500), (100, 2016550), (124, 1626250), (125, 1613240), (155, 1301000), (200, 1008275), (248, 813125), (250, 806620), (310, 650500), (500, 403310), (620, 325250), (625, 322648), (775, 260200), (1000, 201655), (1240, 162625), (1250, 161324), (1301, 155000), (1550, 130100), (2500, 80662), (2602, 77500), (3100, 65050), (3875, 52040), (5000, 40331), (5204, 38750), (6200, 32525), (6505, 31000), (7750, 26020), (10408, 19375), (13010, 15500)]