201978972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:572

約数の個数: 144

約数和(自身を含む): 594397440

約数和(自身を除く): 392418468

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 53, 68, 78, 102, 106, 117, 153, 156, 159, 204, 212, 221, 234, 306, 318, 442, 468, 477, 479, 612, 636, 663, 689, 884, 901, 954, 958, 1326, 1378, 1437, 1802, 1908, 1916, 1989, 2067, 2652, 2703, 2756, 2874, 3604, 3978, 4134, 4311, 5406, 5748, 6201, 6227, 7956, 8109, 8143, 8268, 8622, 10812, 11713, 12402, 12454, 16218, 16286, 17244, 18681, 23426, 24429, 24804, 24908, 25387, 32436, 32572, 35139, 37362, 46852, 48858, 50774, 56043, 70278, 73287, 74724, 76161, 97716, 101548, 105417, 105859, 112086, 140556, 146574, 152322, 210834, 211718, 224172, 228483, 293148, 304644, 317577, 330031, 421668, 423436, 431579, 456966, 635154, 660062, 863158, 913932, 952731, 990093, 1270308, 1294737, 1320124, 1726316, 1905462, 1980186, 2589474, 2970279, 3810924, 3884211, 3960372, 5178948, 5610527, 5940558, 7768422, 11221054, 11881116, 15536844, 16831581, 22442108, 33663162, 50494743, 67326324, 100989486, 201978972]

約数ペア:

[(1, 201978972), (2, 100989486), (3, 67326324), (4, 50494743), (6, 33663162), (9, 22442108), (12, 16831581), (13, 15536844), (17, 11881116), (18, 11221054), (26, 7768422), (34, 5940558), (36, 5610527), (39, 5178948), (51, 3960372), (52, 3884211), (53, 3810924), (68, 2970279), (78, 2589474), (102, 1980186), (106, 1905462), (117, 1726316), (153, 1320124), (156, 1294737), (159, 1270308), (204, 990093), (212, 952731), (221, 913932), (234, 863158), (306, 660062), (318, 635154), (442, 456966), (468, 431579), (477, 423436), (479, 421668), (612, 330031), (636, 317577), (663, 304644), (689, 293148), (884, 228483), (901, 224172), (954, 211718), (958, 210834), (1326, 152322), (1378, 146574), (1437, 140556), (1802, 112086), (1908, 105859), (1916, 105417), (1989, 101548), (2067, 97716), (2652, 76161), (2703, 74724), (2756, 73287), (2874, 70278), (3604, 56043), (3978, 50774), (4134, 48858), (4311, 46852), (5406, 37362), (5748, 35139), (6201, 32572), (6227, 32436), (7956, 25387), (8109, 24908), (8143, 24804), (8268, 24429), (8622, 23426), (10812, 18681), (11713, 17244), (12402, 16286), (12454, 16218)]