30930172

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 69266400

約数和(自身を除く): 38336228

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 61, 91, 98, 122, 182, 196, 199, 244, 364, 398, 427, 637, 793, 796, 854, 1274, 1393, 1586, 1708, 2548, 2587, 2786, 2989, 3172, 5174, 5551, 5572, 5978, 9751, 10348, 11102, 11956, 12139, 18109, 19502, 22204, 24278, 36218, 38857, 39004, 48556, 72436, 77714, 84973, 126763, 155428, 157807, 169946, 253526, 315614, 339892, 507052, 594811, 631228, 1104649, 1189622, 2209298, 2379244, 4418596, 7732543, 15465086, 30930172]

約数ペア:

[(1, 30930172), (2, 15465086), (4, 7732543), (7, 4418596), (13, 2379244), (14, 2209298), (26, 1189622), (28, 1104649), (49, 631228), (52, 594811), (61, 507052), (91, 339892), (98, 315614), (122, 253526), (182, 169946), (196, 157807), (199, 155428), (244, 126763), (364, 84973), (398, 77714), (427, 72436), (637, 48556), (793, 39004), (796, 38857), (854, 36218), (1274, 24278), (1393, 22204), (1586, 19502), (1708, 18109), (2548, 12139), (2587, 11956), (2786, 11102), (2989, 10348), (3172, 9751), (5174, 5978), (5551, 5572)]