490613440

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 168

約数和(自身を含む): 1282061952

約数和(自身を除く): 791448512

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 137, 152, 155, 160, 190, 248, 274, 304, 310, 320, 361, 380, 496, 548, 589, 608, 620, 685, 722, 760, 992, 1096, 1178, 1216, 1240, 1370, 1444, 1520, 1805, 1984, 2192, 2356, 2480, 2603, 2740, 2888, 2945, 3040, 3610, 4247, 4384, 4712, 4960, 5206, 5480, 5776, 5890, 6080, 7220, 8494, 8768, 9424, 9920, 10412, 10960, 11191, 11552, 11780, 13015, 14440, 16988, 18848, 20824, 21235, 21920, 22382, 23104, 23560, 26030, 28880, 33976, 37696, 41648, 42470, 43840, 44764, 47120, 49457, 52060, 55955, 57760, 67952, 80693, 83296, 84940, 89528, 94240, 98914, 104120, 111910, 115520, 135904, 161386, 166592, 169880, 179056, 188480, 197828, 208240, 223820, 247285, 271808, 322772, 339760, 358112, 395656, 403465, 416480, 447640, 494570, 645544, 679520, 716224, 791312, 806930, 832960, 895280, 989140, 1291088, 1359040, 1533167, 1582624, 1613860, 1790560, 1978280, 2582176, 3066334, 3165248, 3227720, 3581120, 3956560, 5164352, 6132668, 6455440, 7665835, 7913120, 12265336, 12910880, 15331670, 15826240, 24530672, 25821760, 30663340, 49061344, 61326680, 98122688, 122653360, 245306720, 490613440]

約数ペア:

[(1, 490613440), (2, 245306720), (4, 122653360), (5, 98122688), (8, 61326680), (10, 49061344), (16, 30663340), (19, 25821760), (20, 24530672), (31, 15826240), (32, 15331670), (38, 12910880), (40, 12265336), (62, 7913120), (64, 7665835), (76, 6455440), (80, 6132668), (95, 5164352), (124, 3956560), (137, 3581120), (152, 3227720), (155, 3165248), (160, 3066334), (190, 2582176), (248, 1978280), (274, 1790560), (304, 1613860), (310, 1582624), (320, 1533167), (361, 1359040), (380, 1291088), (496, 989140), (548, 895280), (589, 832960), (608, 806930), (620, 791312), (685, 716224), (722, 679520), (760, 645544), (992, 494570), (1096, 447640), (1178, 416480), (1216, 403465), (1240, 395656), (1370, 358112), (1444, 339760), (1520, 322772), (1805, 271808), (1984, 247285), (2192, 223820), (2356, 208240), (2480, 197828), (2603, 188480), (2740, 179056), (2888, 169880), (2945, 166592), (3040, 161386), (3610, 135904), (4247, 115520), (4384, 111910), (4712, 104120), (4960, 98914), (5206, 94240), (5480, 89528), (5776, 84940), (5890, 83296), (6080, 80693), (7220, 67952), (8494, 57760), (8768, 55955), (9424, 52060), (9920, 49457), (10412, 47120), (10960, 44764), (11191, 43840), (11552, 42470), (11780, 41648), (13015, 37696), (14440, 33976), (16988, 28880), (18848, 26030), (20824, 23560), (21235, 23104), (21920, 22382)]