28652820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4013}}^1$

素因数の和:4049

約数の個数: 96

約数和(自身を含む): 97106688

約数和(自身を除く): 68453868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 4013, 7140, 8026, 12039, 16052, 20065, 24078, 28091, 40130, 48156, 56182, 60195, 68221, 80260, 84273, 112364, 120390, 136442, 140455, 168546, 204663, 240780, 272884, 280910, 337092, 341105, 409326, 421365, 477547, 561820, 682210, 818652, 842730, 955094, 1023315, 1364420, 1432641, 1685460, 1910188, 2046630, 2387735, 2865282, 4093260, 4775470, 5730564, 7163205, 9550940, 14326410, 28652820]

約数ペア:

[(1, 28652820), (2, 14326410), (3, 9550940), (4, 7163205), (5, 5730564), (6, 4775470), (7, 4093260), (10, 2865282), (12, 2387735), (14, 2046630), (15, 1910188), (17, 1685460), (20, 1432641), (21, 1364420), (28, 1023315), (30, 955094), (34, 842730), (35, 818652), (42, 682210), (51, 561820), (60, 477547), (68, 421365), (70, 409326), (84, 341105), (85, 337092), (102, 280910), (105, 272884), (119, 240780), (140, 204663), (170, 168546), (204, 140455), (210, 136442), (238, 120390), (255, 112364), (340, 84273), (357, 80260), (420, 68221), (476, 60195), (510, 56182), (595, 48156), (714, 40130), (1020, 28091), (1190, 24078), (1428, 20065), (1785, 16052), (2380, 12039), (3570, 8026), (4013, 7140)]