209759940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5273}}^1$

素因数の和:5318

約数の個数: 144

約数和(自身を含む): 725660208

約数和(自身を除く): 515900268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 5273, 6630, 7956, 9945, 10546, 13260, 15819, 19890, 21092, 26365, 31638, 39780, 47457, 52730, 63276, 68549, 79095, 89641, 94914, 105460, 137098, 158190, 179282, 189828, 205647, 237285, 268923, 274196, 316380, 342745, 358564, 411294, 448205, 474570, 537846, 616941, 685490, 806769, 822588, 896410, 949140, 1028235, 1075692, 1165333, 1233882, 1344615, 1370980, 1613538, 1792820, 2056470, 2330666, 2467764, 2689230, 3084705, 3227076, 3495999, 4033845, 4112940, 4661332, 5378460, 5826665, 6169410, 6991998, 8067690, 10487997, 11653330, 12338820, 13983996, 16135380, 17479995, 20975994, 23306660, 34959990, 41951988, 52439985, 69919980, 104879970, 209759940]

約数ペア:

[(1, 209759940), (2, 104879970), (3, 69919980), (4, 52439985), (5, 41951988), (6, 34959990), (9, 23306660), (10, 20975994), (12, 17479995), (13, 16135380), (15, 13983996), (17, 12338820), (18, 11653330), (20, 10487997), (26, 8067690), (30, 6991998), (34, 6169410), (36, 5826665), (39, 5378460), (45, 4661332), (51, 4112940), (52, 4033845), (60, 3495999), (65, 3227076), (68, 3084705), (78, 2689230), (85, 2467764), (90, 2330666), (102, 2056470), (117, 1792820), (130, 1613538), (153, 1370980), (156, 1344615), (170, 1233882), (180, 1165333), (195, 1075692), (204, 1028235), (221, 949140), (234, 896410), (255, 822588), (260, 806769), (306, 685490), (340, 616941), (390, 537846), (442, 474570), (468, 448205), (510, 411294), (585, 358564), (612, 342745), (663, 316380), (765, 274196), (780, 268923), (884, 237285), (1020, 205647), (1105, 189828), (1170, 179282), (1326, 158190), (1530, 137098), (1989, 105460), (2210, 94914), (2340, 89641), (2652, 79095), (3060, 68549), (3315, 63276), (3978, 52730), (4420, 47457), (5273, 39780), (6630, 31638), (7956, 26365), (9945, 21092), (10546, 19890), (13260, 15819)]