209169870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4507}}^1$

素因数の和:4554

約数の個数: 128

約数和(自身を含む): 654345216

約数和(自身を除く): 445175346

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 17, 21, 26, 30, 34, 35, 39, 42, 51, 65, 70, 78, 85, 91, 102, 105, 119, 130, 170, 182, 195, 210, 221, 238, 255, 273, 357, 390, 442, 455, 510, 546, 595, 663, 714, 910, 1105, 1190, 1326, 1365, 1547, 1785, 2210, 2730, 3094, 3315, 3570, 4507, 4641, 6630, 7735, 9014, 9282, 13521, 15470, 22535, 23205, 27042, 31549, 45070, 46410, 58591, 63098, 67605, 76619, 94647, 117182, 135210, 153238, 157745, 175773, 189294, 229857, 292955, 315490, 351546, 383095, 410137, 459714, 473235, 536333, 585910, 766190, 820274, 878865, 946470, 996047, 1072666, 1149285, 1230411, 1608999, 1757730, 1992094, 2050685, 2298570, 2460822, 2681665, 2988141, 3217998, 4101370, 4980235, 5363330, 5976282, 6152055, 6972329, 8044995, 9960470, 12304110, 13944658, 14940705, 16089990, 20916987, 29881410, 34861645, 41833974, 69723290, 104584935, 209169870]

約数ペア:

[(1, 209169870), (2, 104584935), (3, 69723290), (5, 41833974), (6, 34861645), (7, 29881410), (10, 20916987), (13, 16089990), (14, 14940705), (15, 13944658), (17, 12304110), (21, 9960470), (26, 8044995), (30, 6972329), (34, 6152055), (35, 5976282), (39, 5363330), (42, 4980235), (51, 4101370), (65, 3217998), (70, 2988141), (78, 2681665), (85, 2460822), (91, 2298570), (102, 2050685), (105, 1992094), (119, 1757730), (130, 1608999), (170, 1230411), (182, 1149285), (195, 1072666), (210, 996047), (221, 946470), (238, 878865), (255, 820274), (273, 766190), (357, 585910), (390, 536333), (442, 473235), (455, 459714), (510, 410137), (546, 383095), (595, 351546), (663, 315490), (714, 292955), (910, 229857), (1105, 189294), (1190, 175773), (1326, 157745), (1365, 153238), (1547, 135210), (1785, 117182), (2210, 94647), (2730, 76619), (3094, 67605), (3315, 63098), (3570, 58591), (4507, 46410), (4641, 45070), (6630, 31549), (7735, 27042), (9014, 23205), (9282, 22535), (13521, 15470)]