314821000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:492

約数の個数: 128

約数和(自身を含む): 808385760

約数和(自身を除く): 493564760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 61, 65, 100, 104, 122, 125, 130, 200, 244, 250, 260, 305, 325, 397, 488, 500, 520, 610, 650, 793, 794, 1000, 1220, 1300, 1525, 1586, 1588, 1625, 1985, 2440, 2600, 3050, 3172, 3176, 3250, 3965, 3970, 5161, 6100, 6344, 6500, 7625, 7930, 7940, 9925, 10322, 12200, 13000, 15250, 15860, 15880, 19825, 19850, 20644, 24217, 25805, 30500, 31720, 39650, 39700, 41288, 48434, 49625, 51610, 61000, 79300, 79400, 96868, 99125, 99250, 103220, 121085, 129025, 158600, 193736, 198250, 198500, 206440, 242170, 258050, 314821, 396500, 397000, 484340, 516100, 605425, 629642, 645125, 793000, 968680, 1032200, 1210850, 1259284, 1290250, 1574105, 2421700, 2518568, 2580500, 3027125, 3148210, 4843400, 5161000, 6054250, 6296420, 7870525, 12108500, 12592840, 15741050, 24217000, 31482100, 39352625, 62964200, 78705250, 157410500, 314821000]

約数ペア:

[(1, 314821000), (2, 157410500), (4, 78705250), (5, 62964200), (8, 39352625), (10, 31482100), (13, 24217000), (20, 15741050), (25, 12592840), (26, 12108500), (40, 7870525), (50, 6296420), (52, 6054250), (61, 5161000), (65, 4843400), (100, 3148210), (104, 3027125), (122, 2580500), (125, 2518568), (130, 2421700), (200, 1574105), (244, 1290250), (250, 1259284), (260, 1210850), (305, 1032200), (325, 968680), (397, 793000), (488, 645125), (500, 629642), (520, 605425), (610, 516100), (650, 484340), (793, 397000), (794, 396500), (1000, 314821), (1220, 258050), (1300, 242170), (1525, 206440), (1586, 198500), (1588, 198250), (1625, 193736), (1985, 158600), (2440, 129025), (2600, 121085), (3050, 103220), (3172, 99250), (3176, 99125), (3250, 96868), (3965, 79400), (3970, 79300), (5161, 61000), (6100, 51610), (6344, 49625), (6500, 48434), (7625, 41288), (7930, 39700), (7940, 39650), (9925, 31720), (10322, 30500), (12200, 25805), (13000, 24217), (15250, 20644), (15860, 19850), (15880, 19825)]