401415280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1217}}^1$

素因数の和:1287

約数の個数: 160

約数和(自身を含む): 1159925760

約数和(自身を除く): 758510480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 304, 310, 380, 434, 496, 532, 560, 589, 620, 665, 760, 868, 1064, 1085, 1178, 1217, 1240, 1330, 1520, 1736, 2128, 2170, 2356, 2434, 2480, 2660, 2945, 3472, 4123, 4340, 4712, 4868, 5320, 5890, 6085, 8246, 8519, 8680, 9424, 9736, 10640, 11780, 12170, 16492, 17038, 17360, 19472, 20615, 23123, 23560, 24340, 32984, 34076, 37727, 41230, 42595, 46246, 47120, 48680, 65968, 68152, 75454, 82460, 85190, 92492, 97360, 115615, 136304, 150908, 161861, 164920, 170380, 184984, 188635, 231230, 264089, 301816, 323722, 329840, 340760, 369968, 377270, 462460, 528178, 603632, 647444, 681520, 716813, 754540, 809305, 924920, 1056356, 1294888, 1320445, 1433626, 1509080, 1618610, 1849840, 2112712, 2589776, 2640890, 2867252, 3018160, 3237220, 3584065, 4225424, 5017691, 5281780, 5734504, 6474440, 7168130, 10035382, 10563560, 11469008, 12948880, 14336260, 20070764, 21127120, 25088455, 28672520, 40141528, 50176910, 57345040, 80283056, 100353820, 200707640, 401415280]

約数ペア:

[(1, 401415280), (2, 200707640), (4, 100353820), (5, 80283056), (7, 57345040), (8, 50176910), (10, 40141528), (14, 28672520), (16, 25088455), (19, 21127120), (20, 20070764), (28, 14336260), (31, 12948880), (35, 11469008), (38, 10563560), (40, 10035382), (56, 7168130), (62, 6474440), (70, 5734504), (76, 5281780), (80, 5017691), (95, 4225424), (112, 3584065), (124, 3237220), (133, 3018160), (140, 2867252), (152, 2640890), (155, 2589776), (190, 2112712), (217, 1849840), (248, 1618610), (266, 1509080), (280, 1433626), (304, 1320445), (310, 1294888), (380, 1056356), (434, 924920), (496, 809305), (532, 754540), (560, 716813), (589, 681520), (620, 647444), (665, 603632), (760, 528178), (868, 462460), (1064, 377270), (1085, 369968), (1178, 340760), (1217, 329840), (1240, 323722), (1330, 301816), (1520, 264089), (1736, 231230), (2128, 188635), (2170, 184984), (2356, 170380), (2434, 164920), (2480, 161861), (2660, 150908), (2945, 136304), (3472, 115615), (4123, 97360), (4340, 92492), (4712, 85190), (4868, 82460), (5320, 75454), (5890, 68152), (6085, 65968), (8246, 48680), (8519, 47120), (8680, 46246), (9424, 42595), (9736, 41230), (10640, 37727), (11780, 34076), (12170, 32984), (16492, 24340), (17038, 23560), (17360, 23123), (19472, 20615)]