203209180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 469224000

約数和(自身を除く): 266014820

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 97, 148, 149, 185, 190, 194, 298, 370, 380, 388, 485, 596, 703, 740, 745, 970, 1406, 1490, 1843, 1940, 2812, 2831, 2980, 3515, 3589, 3686, 5513, 5662, 7030, 7178, 7372, 9215, 11026, 11324, 14060, 14155, 14356, 14453, 17945, 18430, 22052, 27565, 28310, 28906, 35890, 36860, 55130, 56620, 57812, 68191, 71780, 72265, 104747, 110260, 136382, 144530, 209494, 272764, 274607, 289060, 340955, 418988, 523735, 534761, 549214, 681910, 1047470, 1069522, 1098428, 1363820, 1373035, 2094940, 2139044, 2673805, 2746070, 5347610, 5492140, 10160459, 10695220, 20320918, 40641836, 50802295, 101604590, 203209180]

約数ペア:

[(1, 203209180), (2, 101604590), (4, 50802295), (5, 40641836), (10, 20320918), (19, 10695220), (20, 10160459), (37, 5492140), (38, 5347610), (74, 2746070), (76, 2673805), (95, 2139044), (97, 2094940), (148, 1373035), (149, 1363820), (185, 1098428), (190, 1069522), (194, 1047470), (298, 681910), (370, 549214), (380, 534761), (388, 523735), (485, 418988), (596, 340955), (703, 289060), (740, 274607), (745, 272764), (970, 209494), (1406, 144530), (1490, 136382), (1843, 110260), (1940, 104747), (2812, 72265), (2831, 71780), (2980, 68191), (3515, 57812), (3589, 56620), (3686, 55130), (5513, 36860), (5662, 35890), (7030, 28906), (7178, 28310), (7372, 27565), (9215, 22052), (11026, 18430), (11324, 17945), (14060, 14453), (14155, 14356)]