491621900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1303}}^1$

素因数の和:1349

約数の個数: 144

約数和(自身を含む): 1358246400

約数和(自身を除く): 866624500

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 49, 50, 55, 70, 77, 98, 100, 110, 140, 154, 175, 196, 220, 245, 275, 308, 343, 350, 385, 490, 539, 550, 686, 700, 770, 980, 1078, 1100, 1225, 1303, 1372, 1540, 1715, 1925, 2156, 2450, 2606, 2695, 3430, 3773, 3850, 4900, 5212, 5390, 6515, 6860, 7546, 7700, 8575, 9121, 10780, 13030, 13475, 14333, 15092, 17150, 18242, 18865, 26060, 26950, 28666, 32575, 34300, 36484, 37730, 45605, 53900, 57332, 63847, 65150, 71665, 75460, 91210, 94325, 100331, 127694, 130300, 143330, 182420, 188650, 200662, 228025, 255388, 286660, 319235, 358325, 377300, 401324, 446929, 456050, 501655, 638470, 702317, 716650, 893858, 912100, 1003310, 1276940, 1404634, 1433300, 1596175, 1787716, 2006620, 2234645, 2508275, 2809268, 3192350, 3511585, 4469290, 4916219, 5016550, 6384700, 7023170, 8938580, 9832438, 10033100, 11173225, 14046340, 17557925, 19664876, 22346450, 24581095, 35115850, 44692900, 49162190, 70231700, 98324380, 122905475, 245810950, 491621900]

約数ペア:

[(1, 491621900), (2, 245810950), (4, 122905475), (5, 98324380), (7, 70231700), (10, 49162190), (11, 44692900), (14, 35115850), (20, 24581095), (22, 22346450), (25, 19664876), (28, 17557925), (35, 14046340), (44, 11173225), (49, 10033100), (50, 9832438), (55, 8938580), (70, 7023170), (77, 6384700), (98, 5016550), (100, 4916219), (110, 4469290), (140, 3511585), (154, 3192350), (175, 2809268), (196, 2508275), (220, 2234645), (245, 2006620), (275, 1787716), (308, 1596175), (343, 1433300), (350, 1404634), (385, 1276940), (490, 1003310), (539, 912100), (550, 893858), (686, 716650), (700, 702317), (770, 638470), (980, 501655), (1078, 456050), (1100, 446929), (1225, 401324), (1303, 377300), (1372, 358325), (1540, 319235), (1715, 286660), (1925, 255388), (2156, 228025), (2450, 200662), (2606, 188650), (2695, 182420), (3430, 143330), (3773, 130300), (3850, 127694), (4900, 100331), (5212, 94325), (5390, 91210), (6515, 75460), (6860, 71665), (7546, 65150), (7700, 63847), (8575, 57332), (9121, 53900), (10780, 45605), (13030, 37730), (13475, 36484), (14333, 34300), (15092, 32575), (17150, 28666), (18242, 26950), (18865, 26060)]