449430560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:335

約数の個数: 144

約数和(自身を含む): 1161361152

約数和(自身を除く): 711930592

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 248, 251, 304, 310, 361, 380, 496, 502, 589, 608, 620, 722, 760, 992, 1004, 1178, 1240, 1255, 1444, 1520, 1805, 2008, 2356, 2480, 2510, 2888, 2945, 3040, 3610, 4016, 4712, 4769, 4960, 5020, 5776, 5890, 7220, 7781, 8032, 9424, 9538, 10040, 11191, 11552, 11780, 14440, 15562, 18848, 19076, 20080, 22382, 23560, 23845, 28880, 31124, 38152, 38905, 40160, 44764, 47120, 47690, 55955, 57760, 62248, 76304, 77810, 89528, 90611, 94240, 95380, 111910, 124496, 147839, 152608, 155620, 179056, 181222, 190760, 223820, 248992, 295678, 311240, 358112, 362444, 381520, 447640, 453055, 591356, 622480, 724888, 739195, 763040, 895280, 906110, 1182712, 1244960, 1449776, 1478390, 1790560, 1812220, 2365424, 2808941, 2899552, 2956780, 3624440, 4730848, 5617882, 5913560, 7248880, 11235764, 11827120, 14044705, 14497760, 22471528, 23654240, 28089410, 44943056, 56178820, 89886112, 112357640, 224715280, 449430560]

約数ペア:

[(1, 449430560), (2, 224715280), (4, 112357640), (5, 89886112), (8, 56178820), (10, 44943056), (16, 28089410), (19, 23654240), (20, 22471528), (31, 14497760), (32, 14044705), (38, 11827120), (40, 11235764), (62, 7248880), (76, 5913560), (80, 5617882), (95, 4730848), (124, 3624440), (152, 2956780), (155, 2899552), (160, 2808941), (190, 2365424), (248, 1812220), (251, 1790560), (304, 1478390), (310, 1449776), (361, 1244960), (380, 1182712), (496, 906110), (502, 895280), (589, 763040), (608, 739195), (620, 724888), (722, 622480), (760, 591356), (992, 453055), (1004, 447640), (1178, 381520), (1240, 362444), (1255, 358112), (1444, 311240), (1520, 295678), (1805, 248992), (2008, 223820), (2356, 190760), (2480, 181222), (2510, 179056), (2888, 155620), (2945, 152608), (3040, 147839), (3610, 124496), (4016, 111910), (4712, 95380), (4769, 94240), (4960, 90611), (5020, 89528), (5776, 77810), (5890, 76304), (7220, 62248), (7781, 57760), (8032, 55955), (9424, 47690), (9538, 47120), (10040, 44764), (11191, 40160), (11552, 38905), (11780, 38152), (14440, 31124), (15562, 28880), (18848, 23845), (19076, 23560), (20080, 22382)]